13315774 has 4 divisors (see below), whose sum is σ = 19973664. Its totient is φ = 6657886.

The previous prime is 13315741. The next prime is 13315787. The reversal of 13315774 is 47751331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328942 + ... + 3328945.

It is an arithmetic number, because the mean of its divisors is an integer number (4993416).

Almost surely, 2^13315774 is an apocalyptic number.

13315774 is a deficient number, since it is larger than the sum of its proper divisors (6657890).

13315774 is an equidigital number, since it uses as much as digits as its factorization.

13315774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6657889.

The product of its digits is 8820, while the sum is 31.

The square root of 13315774 is about 3649.0785138169. The cubic root of 13315774 is about 237.0220801115.

The spelling of 13315774 in words is "thirteen million, three hundred fifteen thousand, seven hundred seventy-four".