13656794 has 4 divisors (see below), whose sum is σ = 20485194. Its totient is φ = 6828396.

The previous prime is 13656791. The next prime is 13656821. The reversal of 13656794 is 49765631.

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

It can be written as a sum of positive squares in only one way, i.e., 13227769 + 429025 = 3637^2 + 655^2 .

It is not an unprimeable number, because it can be changed into a prime (13656791) by changing a digit.

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 as a sum of consecutive naturals, namely, 3414197 + ... + 3414200.

Almost surely, 2^13656794 is an apocalyptic number.

13656794 is a deficient number, since it is larger than the sum of its proper divisors (6828400).

13656794 is an equidigital number, since it uses as much as digits as its factorization.

13656794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828399.

The product of its digits is 136080, while the sum is 41.

The square root of 13656794 is about 3695.5099783386. The cubic root of 13656794 is about 239.0284449959.

The spelling of 13656794 in words is "thirteen million, six hundred fifty-six thousand, seven hundred ninety-four".