12520632 has 16 divisors (see below), whose sum is σ = 31301640. Its totient is φ = 4173536.

The previous prime is 12520603. The next prime is 12520643. The reversal of 12520632 is 23602521.

It is a junction number, because it is equal to n+sod(n) for n = 12520599 and 12520608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260823 + ... + 260870.

Almost surely, 2^12520632 is an apocalyptic number.

12520632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12520632 is an abundant number, since it is smaller than the sum of its proper divisors (18781008).

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

12520632 is a wasteful number, since it uses less digits than its factorization.

12520632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521702 (or 521698 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12520632 is about 3538.4505083440. The cubic root of 12520632 is about 232.2070585077.

The spelling of 12520632 in words is "twelve million, five hundred twenty thousand, six hundred thirty-two".