13979224 has 32 divisors (see below), whose sum is σ = 30470400. Its totient is φ = 5888160.

The previous prime is 13979213. The next prime is 13979249. The reversal of 13979224 is 42297931.

13979224 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

13979224 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (952200).

Almost surely, 2^13979224 is an apocalyptic number.

13979224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13979224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15235200).

13979224 is an abundant number, since it is smaller than the sum of its proper divisors (16491176).

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

13979224 is a wasteful number, since it uses less digits than its factorization.

13979224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303 (or 4299 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 13979224 is about 3738.8800462170. The cubic root of 13979224 is about 240.8949456898.

The spelling of 13979224 in words is "thirteen million, nine hundred seventy-nine thousand, two hundred twenty-four".