12131585 has 8 divisors (see below), whose sum is σ = 14576640. Its totient is φ = 9692784.

The previous prime is 12131573. The next prime is 12131621. The reversal of 12131585 is 58513121.

It is a happy number.

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 12131585 - 2⁴ = 12131569 is a prime.

It is a super-2 number, since 2×12131585² = 294350709224450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6464 + ... + 8126.

It is an arithmetic number, because the mean of its divisors is an integer number (1822080).

Almost surely, 2^12131585 is an apocalyptic number.

It is an amenable number.

12131585 is a deficient number, since it is larger than the sum of its proper divisors (2445055).

12131585 is a wasteful number, since it uses less digits than its factorization.

12131585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127.

The product of its digits is 1200, while the sum is 26.

The square root of 12131585 is about 3483.0424918453. The cubic root of 12131585 is about 229.7766262320.

The spelling of 12131585 in words is "twelve million, one hundred thirty-one thousand, five hundred eighty-five".