13968776 has 32 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 6747648.

The previous prime is 13968767. The next prime is 13968809. The reversal of 13968776 is 67786931.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 13968776.

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, 36281 + ... + 36663.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^13968776 is an apocalyptic number.

It is an amenable number.

13968776 is a deficient number, since it is larger than the sum of its proper divisors (13126264).

13968776 is a wasteful number, since it uses less digits than its factorization.

13968776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 529 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 13968776 is about 3737.4825752102. The cubic root of 13968776 is about 240.8349161850.

The spelling of 13968776 in words is "thirteen million, nine hundred sixty-eight thousand, seven hundred seventy-six".