12257158 has 8 divisors (see below), whose sum is σ = 18568080. Its totient is φ = 6067800.

The previous prime is 12257129. The next prime is 12257173. The reversal of 12257158 is 85175221.

12257158 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30138 + ... + 30541.

It is an arithmetic number, because the mean of its divisors is an integer number (2321010).

Almost surely, 2^12257158 is an apocalyptic number.

12257158 is a deficient number, since it is larger than the sum of its proper divisors (6310922).

12257158 is a wasteful number, since it uses less digits than its factorization.

12257158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60782.

The product of its digits is 5600, while the sum is 31.

The square root of 12257158 is about 3501.0224220933. The cubic root of 12257158 is about 230.5667058644.

The spelling of 12257158 in words is "twelve million, two hundred fifty-seven thousand, one hundred fifty-eight".