13969712 has 20 divisors (see below), whose sum is σ = 28491480. Its totient is φ = 6617088.

The previous prime is 13969691. The next prime is 13969721. The reversal of 13969712 is 21796931.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22673 + ... + 23280.

It is an arithmetic number, because the mean of its divisors is an integer number (1424574).

Almost surely, 2^13969712 is an apocalyptic number.

It is an amenable number.

13969712 is an abundant number, since it is smaller than the sum of its proper divisors (14521768).

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

13969712 is a wasteful number, since it uses less digits than its factorization.

13969712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45980 (or 45974 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 13969712 is about 3737.6077910878. The cubic root of 13969712 is about 240.8402952401.

The spelling of 13969712 in words is "thirteen million, nine hundred sixty-nine thousand, seven hundred twelve".