13246642 has 4 divisors (see below), whose sum is σ = 19869966. Its totient is φ = 6623320.

The previous prime is 13246631. The next prime is 13246657. The reversal of 13246642 is 24664231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9678321 + 3568321 = 3111^2 + 1889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13246642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311659 + ... + 3311662.

Almost surely, 2^13246642 is an apocalyptic number.

13246642 is a deficient number, since it is larger than the sum of its proper divisors (6623324).

13246642 is an equidigital number, since it uses as much as digits as its factorization.

13246642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623323.

The product of its digits is 6912, while the sum is 28.

The square root of 13246642 is about 3639.5936586383. The cubic root of 13246642 is about 236.6111827438.

The spelling of 13246642 in words is "thirteen million, two hundred forty-six thousand, six hundred forty-two".