13497724 has 6 divisors (see below), whose sum is σ = 23621024. Its totient is φ = 6748860.

The previous prime is 13497719. The next prime is 13497727. The reversal of 13497724 is 42779431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687212 + ... + 1687219.

Almost surely, 2^13497724 is an apocalyptic number.

It is an amenable number.

13497724 is a deficient number, since it is larger than the sum of its proper divisors (10123300).

13497724 is a wasteful number, since it uses less digits than its factorization.

13497724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374435 (or 3374433 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 13497724 is about 3673.9248767497. The cubic root of 13497724 is about 238.0967758402.

The spelling of 13497724 in words is "thirteen million, four hundred ninety-seven thousand, seven hundred twenty-four".