13604069 has 4 divisors (see below), whose sum is σ = 13702080. Its totient is φ = 13506060.

The previous prime is 13604051. The next prime is 13604077. The reversal of 13604069 is 96040631.

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 13604069 - 2¹⁶ = 13538533 is a prime.

It is a super-2 number, since 2×13604069² = 370141386713522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13604099) 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, 48797 + ... + 49074.

It is an arithmetic number, because the mean of its divisors is an integer number (3425520).

Almost surely, 2^13604069 is an apocalyptic number.

It is an amenable number.

13604069 is a deficient number, since it is larger than the sum of its proper divisors (98011).

13604069 is an equidigital number, since it uses as much as digits as its factorization.

13604069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98010.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13604069 is about 3688.3694229293. The cubic root of 13604069 is about 238.7204413211.

The spelling of 13604069 in words is "thirteen million, six hundred four thousand, sixty-nine".