13626969 has 4 divisors (see below), whose sum is σ = 18169296. Its totient is φ = 9084644.

The previous prime is 13626967. The next prime is 13626997. The reversal of 13626969 is 96962631.

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.

It is a cyclic number.

It is not a de Polignac number, because 13626969 - 2¹ = 13626967 is a prime.

It is a super-2 number, since 2×13626969² = 371388568253922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13626969.

It is not an unprimeable number, because it can be changed into a prime (13626967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271159 + ... + 2271164.

It is an arithmetic number, because the mean of its divisors is an integer number (4542324).

Almost surely, 2^13626969 is an apocalyptic number.

It is an amenable number.

13626969 is a deficient number, since it is larger than the sum of its proper divisors (4542327).

13626969 is an equidigital number, since it uses as much as digits as its factorization.

13626969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542326.

The product of its digits is 104976, while the sum is 42.

The square root of 13626969 is about 3691.4724704378. The cubic root of 13626969 is about 238.8543138551.

The spelling of 13626969 in words is "thirteen million, six hundred twenty-six thousand, nine hundred sixty-nine".