12898158 has 32 divisors (see below), whose sum is σ = 31750656. Its totient is φ = 3401568.

The previous prime is 12898157. The next prime is 12898183. The reversal of 12898158 is 85189821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11266 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (992208).

Almost surely, 2^12898158 is an apocalyptic number.

12898158 is an abundant number, since it is smaller than the sum of its proper divisors (18852498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12898158 is a wasteful number, since it uses less digits than its factorization.

12898158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23648.

The product of its digits is 46080, while the sum is 42.

The square root of 12898158 is about 3591.4005624547. The cubic root of 12898158 is about 234.5178465027.

The spelling of 12898158 in words is "twelve million, eight hundred ninety-eight thousand, one hundred fifty-eight".