13443274 has 24 divisors (see below), whose sum is σ = 22557312. Its totient is φ = 5999760.

The previous prime is 13443263. The next prime is 13443301. The reversal of 13443274 is 47234431.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9837 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (939888).

Almost surely, 2^13443274 is an apocalyptic number.

13443274 is a deficient number, since it is larger than the sum of its proper divisors (9114038).

13443274 is a wasteful number, since it uses less digits than its factorization.

13443274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1329 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 13443274 is about 3666.5070571322. The cubic root of 13443274 is about 237.7761824959.

The spelling of 13443274 in words is "thirteen million, four hundred forty-three thousand, two hundred seventy-four".