12158251 has 8 divisors (see below), whose sum is σ = 13989600. Its totient is φ = 10350528.

The previous prime is 12158239. The next prime is 12158257. The reversal of 12158251 is 15285121.

12158251 is nontrivially palindromic in base 6.

12158251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12158251 - 2⁵ = 12158219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12158257) 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, 4786 + ... + 6871.

It is an arithmetic number, because the mean of its divisors is an integer number (1748700).

Almost surely, 2^12158251 is an apocalyptic number.

12158251 is a deficient number, since it is larger than the sum of its proper divisors (1831349).

12158251 is a wasteful number, since it uses less digits than its factorization.

12158251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813.

The product of its digits is 800, while the sum is 25.

The square root of 12158251 is about 3486.8683657402. The cubic root of 12158251 is about 229.9448576061.

The spelling of 12158251 in words is "twelve million, one hundred fifty-eight thousand, two hundred fifty-one".