12155948 has 12 divisors (see below), whose sum is σ = 24311952. Its totient is φ = 5209680.

The previous prime is 12155933. The next prime is 12155951. The reversal of 12155948 is 84955121.

12155948 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217043 + ... + 217098.

It is an arithmetic number, because the mean of its divisors is an integer number (2025996).

Almost surely, 2^12155948 is an apocalyptic number.

It is an amenable number.

12155948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12155948 is a wasteful number, since it uses less digits than its factorization.

12155948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434152 (or 434150 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 12155948 is about 3486.5381110781. The cubic root of 12155948 is about 229.9303380713.

The spelling of 12155948 in words is "twelve million, one hundred fifty-five thousand, nine hundred forty-eight".