13479912 has 64 divisors (see below), whose sum is σ = 39657600. Its totient is φ = 4227840.

The previous prime is 13479889. The next prime is 13479913. The reversal of 13479912 is 21997431.

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

It is not an unprimeable number, because it can be changed into a prime (13479913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837 + ... + 5507.

It is an arithmetic number, because the mean of its divisors is an integer number (619650).

Almost surely, 2^13479912 is an apocalyptic number.

13479912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 3671×3672.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13479912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19828800).

13479912 is an abundant number, since it is smaller than the sum of its proper divisors (26177688).

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

13479912 is a wasteful number, since it uses less digits than its factorization.

13479912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3693 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 13479912 is about 3671.4999659540. The cubic root of 13479912 is about 237.9919965296.

The spelling of 13479912 in words is "thirteen million, four hundred seventy-nine thousand, nine hundred twelve".