13997154 has 32 divisors (see below), whose sum is σ = 30373056. Its totient is φ = 4282880.

The previous prime is 13997149. The next prime is 13997173. The reversal of 13997154 is 45179931.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2509 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (949158).

Almost surely, 2^13997154 is an apocalyptic number.

13997154 is an abundant number, since it is smaller than the sum of its proper divisors (16375902).

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

13997154 is a wasteful number, since it uses less digits than its factorization.

13997154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its digits is 34020, while the sum is 39.

The square root of 13997154 is about 3741.2770546967. The cubic root of 13997154 is about 240.9978937277.

The spelling of 13997154 in words is "thirteen million, nine hundred ninety-seven thousand, one hundred fifty-four".