12057520 has 40 divisors (see below), whose sum is σ = 29257056. Its totient is φ = 4612608.

The previous prime is 12057499. The next prime is 12057541. The reversal of 12057520 is 2575021.

It is an interprime number because it is at equal distance from previous prime (12057499) and next prime (12057541).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 12057491 and 12057500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 5116.

Almost surely, 2^12057520 is an apocalyptic number.

12057520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12057520 is an abundant number, since it is smaller than the sum of its proper divisors (17199536).

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

12057520 is a wasteful number, since it uses less digits than its factorization.

12057520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589 (or 6583 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 12057520 is about 3472.3939868627. The cubic root of 12057520 is about 229.3080653911.

The spelling of 12057520 in words is "twelve million, fifty-seven thousand, five hundred twenty".