13408856 has 16 divisors (see below), whose sum is σ = 25250400. Its totient is φ = 6675424.

The previous prime is 13408831. The next prime is 13408867. The reversal of 13408856 is 65880431.

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, 1595 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (1578150).

Almost surely, 2^13408856 is an apocalyptic number.

It is an amenable number.

13408856 is a deficient number, since it is larger than the sum of its proper divisors (11841544).

13408856 is a wasteful number, since it uses less digits than its factorization.

13408856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258 (or 7254 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 13408856 is about 3661.8104811691. The cubic root of 13408856 is about 237.5730877551.

The spelling of 13408856 in words is "thirteen million, four hundred eight thousand, eight hundred fifty-six".