12157948 has 24 divisors (see below), whose sum is σ = 24433920. Its totient is φ = 5235120.

The previous prime is 12157933. The next prime is 12157973. The reversal of 12157948 is 84975121.

It is a congruent number.

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, 6436 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (1018080).

Almost surely, 2^12157948 is an apocalyptic number.

It is an amenable number.

12157948 is an abundant number, since it is smaller than the sum of its proper divisors (12275972).

12157948 is a wasteful number, since it uses less digits than its factorization.

12157948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577 (or 14575 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 12157948 is about 3486.8249167402. The cubic root of 12157948 is about 229.9429474117.

The spelling of 12157948 in words is "twelve million, one hundred fifty-seven thousand, nine hundred forty-eight".