12639076 has 12 divisors (see below), whose sum is σ = 22633072. Its totient is φ = 6172488.

The previous prime is 12639073. The next prime is 12639079. The reversal of 12639076 is 67093621.

It is an interprime number because it is at equal distance from previous prime (12639073) and next prime (12639079).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12639071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36570 + ... + 36913.

Almost surely, 2^12639076 is an apocalyptic number.

It is an amenable number.

12639076 is a deficient number, since it is larger than the sum of its proper divisors (9993996).

12639076 is a wasteful number, since it uses less digits than its factorization.

12639076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73530 (or 73528 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 12639076 is about 3555.1478168988. The cubic root of 12639076 is about 232.9369806297.

The spelling of 12639076 in words is "twelve million, six hundred thirty-nine thousand, seventy-six".