12625780 has 48 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 4867200.

The previous prime is 12625757. The next prime is 12625801. The reversal of 12625780 is 8752621.

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 15 ways as a sum of consecutive naturals, for example, 96315 + ... + 96445.

It is an arithmetic number, because the mean of its divisors is an integer number (572880).

Almost surely, 2^12625780 is an apocalyptic number.

12625780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12625780 is an abundant number, since it is smaller than the sum of its proper divisors (14872460).

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

12625780 is a wasteful number, since it uses less digits than its factorization.

12625780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12625780 is about 3553.2773604097. The cubic root of 12625780 is about 232.8552706280.

The spelling of 12625780 in words is "twelve million, six hundred twenty-five thousand, seven hundred eighty".