12155048 has 16 divisors (see below), whose sum is σ = 22867380. Its totient is φ = 6057088.

The previous prime is 12155029. The next prime is 12155057. The reversal of 12155048 is 84055121.

12155048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12096484 + 58564 = 3478^2 + 242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 4932.

Almost surely, 2^12155048 is an apocalyptic number.

It is an amenable number.

12155048 is a deficient number, since it is larger than the sum of its proper divisors (10712332).

12155048 is a wasteful number, since it uses less digits than its factorization.

12155048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 12155048 is about 3486.4090408327. The cubic root of 12155048 is about 229.9246634169.

The spelling of 12155048 in words is "twelve million, one hundred fifty-five thousand, forty-eight".