12181952 has 28 divisors (see below), whose sum is σ = 24374856. Its totient is φ = 6040320.

The previous prime is 12181951. The next prime is 12181957. The reversal of 12181952 is 25918121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12181951) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7658 + ... + 9110.

Almost surely, 2^12181952 is an apocalyptic number.

It is an amenable number.

12181952 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12181952 is a wasteful number, since it uses less digits than its factorization.

12181952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1586 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 12181952 is about 3490.2653194277. The cubic root of 12181952 is about 230.0941769335.

The spelling of 12181952 in words is "twelve million, one hundred eighty-one thousand, nine hundred fifty-two".