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12953472 = 27376179
BaseRepresentation
bin110001011010…
…011110000000
3220101002211020
4301122132000
511304002342
61141345440
7215050140
oct61323600
926332736
1012953472
117348154
124408280
1328b6c9c
141a12920
15120d0ec
hexc5a780

12953472 has 128 divisors (see below), whose sum is σ = 40473600. Its totient is φ = 3594240.

The previous prime is 12953471. The next prime is 12953483. The reversal of 12953472 is 27435921.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163929 + ... + 164007.

It is an arithmetic number, because the mean of its divisors is an integer number (316200).

Almost surely, 212953472 is an apocalyptic number.

12953472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12953472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20236800).

12953472 is an abundant number, since it is smaller than the sum of its proper divisors (27520128).

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

12953472 is an equidigital number, since it uses as much as digits as its factorization.

12953472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 152 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 12953472 is about 3599.0932191317. The cubic root of 12953472 is about 234.8526131799.

The spelling of 12953472 in words is "twelve million, nine hundred fifty-three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 61 64 79 84 96 112 122 128 158 168 183 192 224 237 244 316 336 366 384 427 448 474 488 553 632 672 732 854 896 948 976 1106 1264 1281 1344 1464 1659 1708 1896 1952 2212 2528 2562 2688 2928 3318 3416 3792 3904 4424 4819 5056 5124 5856 6636 6832 7584 7808 8848 9638 10112 10248 11712 13272 13664 14457 15168 17696 19276 20496 23424 26544 27328 28914 30336 33733 35392 38552 40992 53088 54656 57828 67466 70784 77104 81984 101199 106176 115656 134932 154208 163968 202398 212352 231312 269864 308416 404796 462624 539728 616832 809592 925248 1079456 1619184 1850496 2158912 3238368 4317824 6476736 12953472