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12993708 = 22371373163
BaseRepresentation
bin110001100100…
…010010101100
3220110011000110
4301210102230
511311244313
61142300020
7215305350
oct61442254
926404013
1012993708
117375402
124427610
1328cc3b0
141a23460
151219ec3
hexc644ac

12993708 has 96 divisors (see below), whose sum is σ = 38058496. Its totient is φ = 3359232.

The previous prime is 12993703. The next prime is 12993719. The reversal of 12993708 is 80739921.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993703) 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, 79635 + ... + 79797.

Almost surely, 212993708 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 12993708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19029248).

12993708 is an abundant number, since it is smaller than the sum of its proper divisors (25064788).

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

12993708 is a wasteful number, since it uses less digits than its factorization.

12993708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 12993708 is about 3604.6786264520. The cubic root of 12993708 is about 235.0955277840.

The spelling of 12993708 in words is "twelve million, nine hundred ninety-three thousand, seven hundred eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 73 78 84 91 146 156 163 182 219 273 292 326 364 438 489 511 546 652 876 949 978 1022 1092 1141 1533 1898 1956 2044 2119 2282 2847 3066 3423 3796 4238 4564 5694 6132 6357 6643 6846 8476 11388 11899 12714 13286 13692 14833 19929 23798 25428 26572 29666 35697 39858 44499 47596 59332 71394 79716 83293 88998 142788 154687 166586 177996 249879 309374 333172 464061 499758 618748 928122 999516 1082809 1856244 2165618 3248427 4331236 6496854 12993708