12612388 has 12 divisors (see below), whose sum is σ = 22135680. Its totient is φ = 6287912.

The previous prime is 12612367. The next prime is 12612407. The reversal of 12612388 is 88321621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2956 + ... + 5827.

It is an arithmetic number, because the mean of its divisors is an integer number (1844640).

Almost surely, 2^12612388 is an apocalyptic number.

It is an amenable number.

12612388 is a deficient number, since it is larger than the sum of its proper divisors (9523292).

12612388 is a wasteful number, since it uses less digits than its factorization.

12612388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146 (or 9144 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 12612388 is about 3551.3924029879. The cubic root of 12612388 is about 232.7729126540.

The spelling of 12612388 in words is "twelve million, six hundred twelve thousand, three hundred eighty-eight".