13968406 has 16 divisors (see below), whose sum is σ = 22019328. Its totient is φ = 6633000.

The previous prime is 13968397. The next prime is 13968443. The reversal of 13968406 is 60486931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5941 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (1376208).

Almost surely, 2^13968406 is an apocalyptic number.

13968406 is a deficient number, since it is larger than the sum of its proper divisors (8050922).

13968406 is a wasteful number, since it uses less digits than its factorization.

13968406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 13968406 is about 3737.4330763239. The cubic root of 13968406 is about 240.8327897828.

The spelling of 13968406 in words is "thirteen million, nine hundred sixty-eight thousand, four hundred six".