13977369 has 24 divisors (see below), whose sum is σ = 24290240. Its totient is φ = 7566048.

The previous prime is 13977329. The next prime is 13977371. The reversal of 13977369 is 96377931.

13977369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13977369 - 2¹³ = 13969177 is a prime.

It is a super-2 number, since 2×13977369² = 390733688324322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13977329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4642 + ... + 7035.

Almost surely, 2^13977369 is an apocalyptic number.

13977369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13977369 is a deficient number, since it is larger than the sum of its proper divisors (10312871).

13977369 is a wasteful number, since it uses less digits than its factorization.

13977369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709 (or 11706 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 13977369 is about 3738.6319690496. The cubic root of 13977369 is about 240.8842898792.

The spelling of 13977369 in words is "thirteen million, nine hundred seventy-seven thousand, three hundred sixty-nine".