12892520 has 32 divisors (see below), whose sum is σ = 29284200. Its totient is φ = 5107968.

The previous prime is 12892519. The next prime is 12892541. The reversal of 12892520 is 2529821.

It can be written as a sum of positive squares in 4 ways, for example, as 9572836 + 3319684 = 3094^2 + 1822^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 5838.

Almost surely, 2^12892520 is an apocalyptic number.

12892520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12892520 is an abundant number, since it is smaller than the sum of its proper divisors (16391680).

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

12892520 is a wasteful number, since it uses less digits than its factorization.

12892520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12892520 is about 3590.6155461146. The cubic root of 12892520 is about 234.4836709685.

The spelling of 12892520 in words is "twelve million, eight hundred ninety-two thousand, five hundred twenty".