13479724 has 6 divisors (see below), whose sum is σ = 23589524. Its totient is φ = 6739860.

The previous prime is 13479709. The next prime is 13479727. The reversal of 13479724 is 42797431.

It is not an unprimeable number, because it can be changed into a prime (13479727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1684962 + ... + 1684969.

Almost surely, 2^13479724 is an apocalyptic number.

It is an amenable number.

13479724 is a deficient number, since it is larger than the sum of its proper divisors (10109800).

13479724 is a wasteful number, since it uses less digits than its factorization.

13479724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369935 (or 3369933 counting only the distinct ones).

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

The square root of 13479724 is about 3671.4743632497. The cubic root of 13479724 is about 237.9908901251.

The spelling of 13479724 in words is "thirteen million, four hundred seventy-nine thousand, seven hundred twenty-four".