13967966 has 16 divisors (see below), whose sum is σ = 21978000. Its totient is φ = 6648768.

The previous prime is 13967957. The next prime is 13968001. The reversal of 13967966 is 66976931.

It is a happy number.

13967966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13967966.

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, 2585 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (1373625).

Almost surely, 2^13967966 is an apocalyptic number.

13967966 is a deficient number, since it is larger than the sum of its proper divisors (8010034).

13967966 is a wasteful number, since it uses less digits than its factorization.

13967966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403.

The product of its digits is 367416, while the sum is 47.

The square root of 13967966 is about 3737.3742119301. The cubic root of 13967966 is about 240.8302610395.

The spelling of 13967966 in words is "thirteen million, nine hundred sixty-seven thousand, nine hundred sixty-six".