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12893504 = 261315497
BaseRepresentation
bin110001001011…
…110101000000
3220021001120012
4301023311000
511300043004
61140204052
7214410251
oct61136500
926231505
1012893504
117307098
124399628
1328958c0
1419d8b28
1511ea46e
hexc4bd40

12893504 has 28 divisors (see below), whose sum is σ = 27555444. Its totient is φ = 5950464.

The previous prime is 12893483. The next prime is 12893513. The reversal of 12893504 is 40539821.

It can be written as a sum of positive squares in 2 ways, for example, as 7840000 + 5053504 = 2800^2 + 2248^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6917 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (984123).

Almost surely, 212893504 is an apocalyptic number.

It is an amenable number.

12893504 is an abundant number, since it is smaller than the sum of its proper divisors (14661940).

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

12893504 is a wasteful number, since it uses less digits than its factorization.

12893504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522 (or 15512 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12893504 is about 3590.7525673597. The cubic root of 12893504 is about 234.4896363412.

The spelling of 12893504 in words is "twelve million, eight hundred ninety-three thousand, five hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 15497 30994 61988 123976 201461 247952 402922 495904 805844 991808 1611688 3223376 6446752 12893504