12533158 has 32 divisors (see below), whose sum is σ = 21422880. Its totient is φ = 5448960.

The previous prime is 12533149. The next prime is 12533197. The reversal of 12533158 is 85133521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72360 + ... + 72532.

It is an arithmetic number, because the mean of its divisors is an integer number (669465).

Almost surely, 2^12533158 is an apocalyptic number.

12533158 is a deficient number, since it is larger than the sum of its proper divisors (8889722).

12533158 is a wasteful number, since it uses less digits than its factorization.

12533158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its digits is 3600, while the sum is 28.

The square root of 12533158 is about 3540.2200496579. The cubic root of 12533158 is about 232.2844682369.

Adding to 12533158 its reverse (85133521), we get a palindrome (97666679).

The spelling of 12533158 in words is "twelve million, five hundred thirty-three thousand, one hundred fifty-eight".