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13004376 = 23371131227
BaseRepresentation
bin110001100110…
…111001011000
3220110200122120
4301212321120
511312120001
61142421240
7215351430
oct61467130
926420576
1013004376
117382420
124431820
1329041c8
141a272c0
15121d236
hexc66e58

13004376 has 128 divisors (see below), whose sum is σ = 42024960. Its totient is φ = 3254400.

The previous prime is 13004363. The next prime is 13004377. The reversal of 13004376 is 67340031.

13004376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130043762 = 338227590298752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57175 + ... + 57401.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 213004376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13004376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21012480).

13004376 is an abundant number, since it is smaller than the sum of its proper divisors (29020584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13004376 is a wasteful number, since it uses less digits than its factorization.

13004376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13004376 is about 3606.1580664192. The cubic root of 13004376 is about 235.1598489933.

The spelling of 13004376 in words is "thirteen million, four thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 31 33 42 44 56 62 66 77 84 88 93 124 132 154 168 186 217 227 231 248 264 308 341 372 434 454 462 616 651 681 682 744 868 908 924 1023 1302 1362 1364 1589 1736 1816 1848 2046 2387 2497 2604 2724 2728 3178 4092 4767 4774 4994 5208 5448 6356 7037 7161 7491 8184 9534 9548 9988 12712 14074 14322 14982 17479 19068 19096 19976 21111 28148 28644 29964 34958 38136 42222 49259 52437 56296 57288 59928 69916 77407 84444 98518 104874 139832 147777 154814 168888 197036 209748 232221 295554 309628 394072 419496 464442 541849 591108 619256 928884 1083698 1182216 1625547 1857768 2167396 3251094 4334792 6502188 13004376