12505612 has 24 divisors (see below), whose sum is σ = 25875360. Its totient is φ = 5174400.

The previous prime is 12505607. The next prime is 12505613. The reversal of 12505612 is 21650521.

12505612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505613) 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, 6889 + ... + 8512.

It is an arithmetic number, because the mean of its divisors is an integer number (1078140).

Almost surely, 2^12505612 is an apocalyptic number.

It is an amenable number.

12505612 is an abundant number, since it is smaller than the sum of its proper divisors (13369748).

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

12505612 is a wasteful number, since it uses less digits than its factorization.

12505612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441 (or 15439 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12505612 is about 3536.3274735239. The cubic root of 12505612 is about 232.1141679463.

The spelling of 12505612 in words is "twelve million, five hundred five thousand, six hundred twelve".