13902969 has 12 divisors (see below), whose sum is σ = 18885776. Its totient is φ = 9095592.

The previous prime is 13902961. The next prime is 13902983. The reversal of 13902969 is 96920931.

It is a happy number.

13902969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13902969 - 2³ = 13902961 is a prime.

It is a super-2 number, since 2×13902969² = 386585094029922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13902961) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 52732 + ... + 52994.

Almost surely, 2^13902969 is an apocalyptic number.

It is an amenable number.

13902969 is a deficient number, since it is larger than the sum of its proper divisors (4982807).

13902969 is an frugal number, since it uses more digits than its factorization.

13902969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 13902969 is about 3728.6685291133. The cubic root of 13902969 is about 240.4561290880.

The spelling of 13902969 in words is "thirteen million, nine hundred two thousand, nine hundred sixty-nine".