12388612 has 12 divisors (see below), whose sum is σ = 22035916. Its totient is φ = 6092640.

The previous prime is 12388609. The next prime is 12388633. The reversal of 12388612 is 21688321.

It can be written as a sum of positive squares in 2 ways, for example, as 4186116 + 8202496 = 2046^2 + 2864^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 25143 + ... + 25630.

Almost surely, 2^12388612 is an apocalyptic number.

It is an amenable number.

12388612 is a deficient number, since it is larger than the sum of its proper divisors (9647304).

12388612 is a wasteful number, since it uses less digits than its factorization.

12388612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50838 (or 50836 counting only the distinct ones).

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

The square root of 12388612 is about 3519.7460135640. The cubic root of 12388612 is about 231.3880274596.

The spelling of 12388612 in words is "twelve million, three hundred eighty-eight thousand, six hundred twelve".