13115669 has 8 divisors (see below), whose sum is σ = 15067008. Its totient is φ = 11183760.

The previous prime is 13115657. The next prime is 13115677. The reversal of 13115669 is 96651131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13115669 - 2¹⁶ = 13050133 is a prime.

It is a super-2 number, since 2×13115669² = 344041546635122, 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 (13115629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3377 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (1883376).

Almost surely, 2^13115669 is an apocalyptic number.

It is an amenable number.

13115669 is a deficient number, since it is larger than the sum of its proper divisors (1951339).

13115669 is an equidigital number, since it uses as much as digits as its factorization.

13115669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715.

The product of its digits is 4860, while the sum is 32.

The square root of 13115669 is about 3621.5561572341. The cubic root of 13115669 is about 235.8287863319.

The spelling of 13115669 in words is "thirteen million, one hundred fifteen thousand, six hundred sixty-nine".