13979448 has 48 divisors (see below), whose sum is σ = 43271280. Its totient is φ = 3993984.

The previous prime is 13979447. The next prime is 13979453. The reversal of 13979448 is 84497931.

13979448 is a `hidden beast` number, since 139 + 79 + 448 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13979447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13365 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (901485).

Almost surely, 2^13979448 is an apocalyptic number.

13979448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13979448 is an abundant number, since it is smaller than the sum of its proper divisors (29291832).

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

13979448 is a wasteful number, since it uses less digits than its factorization.

13979448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27756 (or 27749 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13979448 is about 3738.9100015914. The cubic root of 13979448 is about 240.8962323655.

The spelling of 13979448 in words is "thirteen million, nine hundred seventy-nine thousand, four hundred forty-eight".