13217384 has 16 divisors (see below), whose sum is σ = 25003620. Its totient is φ = 6549760.

The previous prime is 13217363. The next prime is 13217423. The reversal of 13217384 is 48371231.

13217384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7562500 + 5654884 = 2750^2 + 2378^2 .

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, 6407 + ... + 8214.

Almost surely, 2^13217384 is an apocalyptic number.

It is an amenable number.

13217384 is a deficient number, since it is larger than the sum of its proper divisors (11786236).

13217384 is a wasteful number, since it uses less digits than its factorization.

13217384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740 (or 14736 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 13217384 is about 3635.5720320192. The cubic root of 13217384 is about 236.4368524482.

The spelling of 13217384 in words is "thirteen million, two hundred seventeen thousand, three hundred eighty-four".