13976369 has 4 divisors (see below), whose sum is σ = 15246960. Its totient is φ = 12705780.

The previous prime is 13976357. The next prime is 13976371. The reversal of 13976369 is 96367931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96367931 = 11 ⋅8760721.

It is a cyclic number.

It is not a de Polignac number, because 13976369 - 2⁴ = 13976353 is a prime.

It is a super-2 number, since 2×13976369² = 390677780848322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13976399) 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 3 ways as a sum of consecutive naturals, for example, 635279 + ... + 635300.

It is an arithmetic number, because the mean of its divisors is an integer number (3811740).

Almost surely, 2^13976369 is an apocalyptic number.

It is an amenable number.

13976369 is a deficient number, since it is larger than the sum of its proper divisors (1270591).

13976369 is a wasteful number, since it uses less digits than its factorization.

13976369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270590.

The product of its digits is 183708, while the sum is 44.

The square root of 13976369 is about 3738.4982278985. The cubic root of 13976369 is about 240.8785451158.

The spelling of 13976369 in words is "thirteen million, nine hundred seventy-six thousand, three hundred sixty-nine".