13131669 has 8 divisors (see below), whose sum is σ = 17529120. Its totient is φ = 8744336.

The previous prime is 13131661. The next prime is 13131719. The reversal of 13131669 is 96613131.

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

It is a cyclic number.

It is not a de Polignac number, because 13131669 - 2³ = 13131661 is a prime.

It is a super-2 number, since 2×13131669² = 344881461451122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (2191140).

Almost surely, 2^13131669 is an apocalyptic number.

It is an amenable number.

13131669 is a deficient number, since it is larger than the sum of its proper divisors (4397451).

13131669 is a wasteful number, since it uses less digits than its factorization.

13131669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059.

The product of its digits is 2916, while the sum is 30.

The square root of 13131669 is about 3623.7644791018. The cubic root of 13131669 is about 235.9246443794.

The spelling of 13131669 in words is "thirteen million, one hundred thirty-one thousand, six hundred sixty-nine".