13147712 has 14 divisors (see below), whose sum is σ = 26090118. Its totient is φ = 6573824.

The previous prime is 13147711. The next prime is 13147741. The reversal of 13147712 is 21774131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 1478656 = 3416^2 + 1216^2 .

It is not an unprimeable number, because it can be changed into a prime (13147711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102653 + ... + 102780.

Almost surely, 2^13147712 is an apocalyptic number.

It is an amenable number.

13147712 is a deficient number, since it is larger than the sum of its proper divisors (12942406).

13147712 is an equidigital number, since it uses as much as digits as its factorization.

13147712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205445 (or 205435 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 13147712 is about 3625.9773854783. The cubic root of 13147712 is about 236.0206818991.

The spelling of 13147712 in words is "thirteen million, one hundred forty-seven thousand, seven hundred twelve".