12157585 has 8 divisors (see below), whose sum is σ = 15915456. Its totient is φ = 8841840.

The previous prime is 12157577. The next prime is 12157597. The reversal of 12157585 is 58575121.

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

It is not a de Polignac number, because 12157585 - 2³ = 12157577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12157585.

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, 110469 + ... + 110578.

It is an arithmetic number, because the mean of its divisors is an integer number (1989432).

Almost surely, 2^12157585 is an apocalyptic number.

It is an amenable number.

12157585 is a deficient number, since it is larger than the sum of its proper divisors (3757871).

12157585 is a wasteful number, since it uses less digits than its factorization.

12157585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221063.

The product of its digits is 14000, while the sum is 34.

The square root of 12157585 is about 3486.7728632648. The cubic root of 12157585 is about 229.9406589191.

The spelling of 12157585 in words is "twelve million, one hundred fifty-seven thousand, five hundred eighty-five".