12157162 has 4 divisors (see below), whose sum is σ = 18235746. Its totient is φ = 6078580.

The previous prime is 12157153. The next prime is 12157199. The reversal of 12157162 is 26175121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12033961 + 123201 = 3469^2 + 351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3039289 + ... + 3039292.

Almost surely, 2^12157162 is an apocalyptic number.

12157162 is a deficient number, since it is larger than the sum of its proper divisors (6078584).

12157162 is an equidigital number, since it uses as much as digits as its factorization.

12157162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078583.

The product of its digits is 840, while the sum is 25.

The square root of 12157162 is about 3486.7122049289. The cubic root of 12157162 is about 229.9379921059.

The spelling of 12157162 in words is "twelve million, one hundred fifty-seven thousand, one hundred sixty-two".