13379724 has 72 divisors (see below), whose sum is σ = 36807680. Its totient is φ = 4082400.

The previous prime is 13379711. The next prime is 13379749. The reversal of 13379724 is 42797331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20889 + ... + 21519.

Almost surely, 2^13379724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13379724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18403840).

13379724 is an abundant number, since it is smaller than the sum of its proper divisors (23427956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13379724 is a wasteful number, since it uses less digits than its factorization.

13379724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 686 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13379724 is about 3657.8305045477. The cubic root of 13379724 is about 237.4009130518.

The spelling of 13379724 in words is "thirteen million, three hundred seventy-nine thousand, seven hundred twenty-four".