13551274 has 12 divisors (see below), whose sum is σ = 22343202. Its totient is φ = 6159560.

The previous prime is 13551233. The next prime is 13551319. The reversal of 13551274 is 47215531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 1545049 = 3465^2 + 1243^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27757 + ... + 28240.

Almost surely, 2^13551274 is an apocalyptic number.

13551274 is a deficient number, since it is larger than the sum of its proper divisors (8791928).

13551274 is a wasteful number, since it uses less digits than its factorization.

13551274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56021 (or 56010 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 13551274 is about 3681.2055090690. The cubic root of 13551274 is about 238.4112302901.

The spelling of 13551274 in words is "thirteen million, five hundred fifty-one thousand, two hundred seventy-four".