12155952 has 40 divisors (see below), whose sum is σ = 33252336. Its totient is φ = 3813376.

The previous prime is 12155951. The next prime is 12155963. The reversal of 12155952 is 25955121.

12155952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12155951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633 + ... + 8264.

Almost surely, 2^12155952 is an apocalyptic number.

12155952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12155952 is an abundant number, since it is smaller than the sum of its proper divisors (21096384).

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

12155952 is a wasteful number, since it uses less digits than its factorization.

12155952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14925 (or 14919 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 12155952 is about 3486.5386847130. The cubic root of 12155952 is about 229.9303632914.

It can be divided in two parts, 12 and 155952, that multiplied together give a square (1871424 = 1368²).

The spelling of 12155952 in words is "twelve million, one hundred fifty-five thousand, nine hundred fifty-two".