13365669 has 4 divisors (see below), whose sum is σ = 17820896. Its totient is φ = 8910444.

The previous prime is 13365659. The next prime is 13365673. The reversal of 13365669 is 96656331.

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 not a de Polignac number, because 13365669 - 2⁵ = 13365637 is a prime.

It is a super-2 number, since 2×13365669² = 357282215635122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13365659) 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, 2227609 + ... + 2227614.

It is an arithmetic number, because the mean of its divisors is an integer number (4455224).

Almost surely, 2^13365669 is an apocalyptic number.

It is an amenable number.

13365669 is a deficient number, since it is larger than the sum of its proper divisors (4455227).

13365669 is an equidigital number, since it uses as much as digits as its factorization.

13365669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455226.

The product of its digits is 87480, while the sum is 39.

The square root of 13365669 is about 3655.9087789495. The cubic root of 13365669 is about 237.3177564069.

The spelling of 13365669 in words is "thirteen million, three hundred sixty-five thousand, six hundred sixty-nine".