12132879 has 8 divisors (see below), whose sum is σ = 17647872. Its totient is φ = 7353240.

The previous prime is 12132871. The next prime is 12132889. The reversal of 12132879 is 97823121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12132879 - 2³ = 12132871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 367663 = 12132879 / (1 + 2 + 1 + 3 + 2 + 8 + 7 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132871) 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, 183799 + ... + 183864.

It is an arithmetic number, because the mean of its divisors is an integer number (2205984).

Almost surely, 2^12132879 is an apocalyptic number.

12132879 is a deficient number, since it is larger than the sum of its proper divisors (5514993).

12132879 is a wasteful number, since it uses less digits than its factorization.

12132879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367677.

The product of its digits is 6048, while the sum is 33.

The square root of 12132879 is about 3483.2282440288. The cubic root of 12132879 is about 229.7847955515.

The spelling of 12132879 in words is "twelve million, one hundred thirty-two thousand, eight hundred seventy-nine".