12152139 has 8 divisors (see below), whose sum is σ = 16302912. Its totient is φ = 8051400.

The previous prime is 12152137. The next prime is 12152141. The reversal of 12152139 is 93125121.

It is an interprime number because it is at equal distance from previous prime (12152137) and next prime (12152141).

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

It is not a de Polignac number, because 12152139 - 2¹ = 12152137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12152137) 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, 11937 + ... + 12914.

It is an arithmetic number, because the mean of its divisors is an integer number (2037864).

Almost surely, 2^12152139 is an apocalyptic number.

12152139 is a deficient number, since it is larger than the sum of its proper divisors (4150773).

12152139 is a wasteful number, since it uses less digits than its factorization.

12152139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25017.

The product of its digits is 540, while the sum is 24.

The square root of 12152139 is about 3485.9918244310. The cubic root of 12152139 is about 229.9063197567.

The spelling of 12152139 in words is "twelve million, one hundred fifty-two thousand, one hundred thirty-nine".