12158132 has 24 divisors (see below), whose sum is σ = 24460800. Its totient is φ = 5179680.

The previous prime is 12158131. The next prime is 12158137. The reversal of 12158132 is 23185121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12158098 and 12158107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158131) 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 7 ways as a sum of consecutive naturals, for example, 3869 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (1019200).

Almost surely, 2^12158132 is an apocalyptic number.

It is an amenable number.

12158132 is an abundant number, since it is smaller than the sum of its proper divisors (12302668).

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

12158132 is a wasteful number, since it uses less digits than its factorization.

12158132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2589 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 12158132 is about 3486.8513016761. The cubic root of 12158132 is about 229.9441074016.

The spelling of 12158132 in words is "twelve million, one hundred fifty-eight thousand, one hundred thirty-two".