13974169 has 8 divisors (see below), whose sum is σ = 15372000. Its totient is φ = 12702580.

The previous prime is 13974167. The next prime is 13974173. The reversal of 13974169 is 96147931.

It is not a de Polignac number, because 13974169 - 2¹ = 13974167 is a prime.

It is a super-2 number, since 2×13974169² = 390554798481122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13974161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (1921500).

Almost surely, 2^13974169 is an apocalyptic number.

It is an amenable number.

13974169 is a deficient number, since it is larger than the sum of its proper divisors (1397831).

13974169 is an equidigital number, since it uses as much as digits as its factorization.

13974169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532 (or 10510 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 13974169 is about 3738.2039805233. The cubic root of 13974169 is about 240.8659056716.

The spelling of 13974169 in words is "thirteen million, nine hundred seventy-four thousand, one hundred sixty-nine".