12596642 has 4 divisors (see below), whose sum is σ = 18894966. Its totient is φ = 6298320.

The previous prime is 12596627. The next prime is 12596651. The reversal of 12596642 is 24669521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24669521 = 31 ⋅795791.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 687241 = 3451^2 + 829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3149159 + ... + 3149162.

Almost surely, 2^12596642 is an apocalyptic number.

12596642 is a deficient number, since it is larger than the sum of its proper divisors (6298324).

12596642 is an equidigital number, since it uses as much as digits as its factorization.

12596642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298323.

The product of its digits is 25920, while the sum is 35.

The square root of 12596642 is about 3549.1748336761. The cubic root of 12596642 is about 232.6760034713.

The spelling of 12596642 in words is "twelve million, five hundred ninety-six thousand, six hundred forty-two".