13690456 has 16 divisors (see below), whose sum is σ = 27644400. Its totient is φ = 6318624.

The previous prime is 13690441. The next prime is 13690477. The reversal of 13690456 is 65409631.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 65716 + ... + 65923.

It is an arithmetic number, because the mean of its divisors is an integer number (1727775).

Almost surely, 2^13690456 is an apocalyptic number.

It is an amenable number.

13690456 is an abundant number, since it is smaller than the sum of its proper divisors (13953944).

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

13690456 is a wasteful number, since it uses less digits than its factorization.

13690456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131658 (or 131654 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 13690456 is about 3700.0616211085. The cubic root of 13690456 is about 239.2246739125.

The spelling of 13690456 in words is "thirteen million, six hundred ninety thousand, four hundred fifty-six".