12152279 has 8 divisors (see below), whose sum is σ = 12698112. Its totient is φ = 11616120.

The previous prime is 12152269. The next prime is 12152281. The reversal of 12152279 is 97225121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12152279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152209) 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, 212 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (1587264).

Almost surely, 2^12152279 is an apocalyptic number.

12152279 is a deficient number, since it is larger than the sum of its proper divisors (545833).

12152279 is an equidigital number, since it uses as much as digits as its factorization.

12152279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837.

The product of its digits is 2520, while the sum is 29.

The square root of 12152279 is about 3486.0119047416. The cubic root of 12152279 is about 229.9072026400.

The spelling of 12152279 in words is "twelve million, one hundred fifty-two thousand, two hundred seventy-nine".