13317946 has 8 divisors (see below), whose sum is σ = 20354004. Its totient is φ = 6533280.

The previous prime is 13317937. The next prime is 13317959. The reversal of 13317946 is 64971331.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 75625 = 3639^2 + 275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62715 + ... + 62926.

Almost surely, 2^13317946 is an apocalyptic number.

13317946 is a deficient number, since it is larger than the sum of its proper divisors (7036058).

13317946 is a wasteful number, since it uses less digits than its factorization.

13317946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125696.

The product of its digits is 13608, while the sum is 34.

The square root of 13317946 is about 3649.3761110634. The cubic root of 13317946 is about 237.0349666817.

It can be divided in two parts, 133179 and 46, that added together give a square (133225 = 365²).

The spelling of 13317946 in words is "thirteen million, three hundred seventeen thousand, nine hundred forty-six".