13412736 has 64 divisors (see below), whose sum is σ = 39596400. Its totient is φ = 4469760.

The previous prime is 13412723. The next prime is 13412753. The reversal of 13412736 is 63721431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 16.

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, 1516 + ... + 5396.

Almost surely, 2^13412736 is an apocalyptic number.

13412736 is a gapful number since it is divisible by the number (16) 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 13412736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19798200).

13412736 is an abundant number, since it is smaller than the sum of its proper divisors (26183664).

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

13412736 is an equidigital number, since it uses as much as digits as its factorization.

13412736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904 (or 3886 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 13412736 is about 3662.3402354232. The cubic root of 13412736 is about 237.5960003408.

The spelling of 13412736 in words is "thirteen million, four hundred twelve thousand, seven hundred thirty-six".