13746224 has 20 divisors (see below), whose sum is σ = 26872536. Its totient is φ = 6811392.

The previous prime is 13746209. The next prime is 13746247. The reversal of 13746224 is 42264731.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994 + ... + 5609.

Almost surely, 2^13746224 is an apocalyptic number.

It is an amenable number.

13746224 is a deficient number, since it is larger than the sum of its proper divisors (13126312).

13746224 is a wasteful number, since it uses less digits than its factorization.

13746224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724 (or 7718 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 13746224 is about 3707.5900528510. The cubic root of 13746224 is about 239.5490606619.

The spelling of 13746224 in words is "thirteen million, seven hundred forty-six thousand, two hundred twenty-four".