13347144 has 48 divisors (see below), whose sum is σ = 36370620. Its totient is φ = 4421760.

The previous prime is 13347133. The next prime is 13347151. The reversal of 13347144 is 44174331.

It can be written as a sum of positive squares in 2 ways, for example, as 11492100 + 1855044 = 3390^2 + 1362^2 .

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 11 ways as a sum of consecutive naturals, for example, 13714 + ... + 14654.

Almost surely, 2^13347144 is an apocalyptic number.

It is an amenable number.

13347144 is an abundant number, since it is smaller than the sum of its proper divisors (23023476).

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

13347144 is a wasteful number, since it uses less digits than its factorization.

13347144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1143 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 13347144 is about 3653.3743306702. The cubic root of 13347144 is about 237.2080638277.

The spelling of 13347144 in words is "thirteen million, three hundred forty-seven thousand, one hundred forty-four".