13047744 has 28 divisors (see below), whose sum is σ = 34522664. Its totient is φ = 4349184.

The previous prime is 13047707. The next prime is 13047751. The reversal of 13047744 is 44774031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33787 + ... + 34170.

Almost surely, 2^13047744 is an apocalyptic number.

It is an amenable number.

13047744 is an abundant number, since it is smaller than the sum of its proper divisors (21474920).

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

13047744 is an equidigital number, since it uses as much as digits as its factorization.

13047744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67972 (or 67962 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 13047744 is about 3612.1661091373. The cubic root of 13047744 is about 235.4209686982.

It can be divided in two parts, 130 and 47744, that added together give a palindrome (47874).

The spelling of 13047744 in words is "thirteen million, forty-seven thousand, seven hundred forty-four".