13422874 has 4 divisors (see below), whose sum is σ = 20134314. Its totient is φ = 6711436.

The previous prime is 13422859. The next prime is 13422881. The reversal of 13422874 is 47822431.

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., 10208025 + 3214849 = 3195^2 + 1793^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3355717 + ... + 3355720.

Almost surely, 2^13422874 is an apocalyptic number.

13422874 is a deficient number, since it is larger than the sum of its proper divisors (6711440).

13422874 is an equidigital number, since it uses as much as digits as its factorization.

13422874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711439.

The product of its digits is 10752, while the sum is 31.

The square root of 13422874 is about 3663.7240616618. The cubic root of 13422874 is about 237.6558474797.

The spelling of 13422874 in words is "thirteen million, four hundred twenty-two thousand, eight hundred seventy-four".