12625520 has 40 divisors (see below), whose sum is σ = 29675184. Its totient is φ = 4995072.

The previous prime is 12625511. The next prime is 12625523. The reversal of 12625520 is 2552621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947 + ... + 8573.

Almost surely, 2^12625520 is an apocalyptic number.

12625520 is a gapful number since it is divisible by the number (10) 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 12625520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14837592).

12625520 is an abundant number, since it is smaller than the sum of its proper divisors (17049664).

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

12625520 is a wasteful number, since it uses less digits than its factorization.

12625520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12625520 is about 3553.2407742792. The cubic root of 12625520 is about 232.8536722373.

The spelling of 12625520 in words is "twelve million, six hundred twenty-five thousand, five hundred twenty".