12149118 has 24 divisors (see below), whose sum is σ = 27872208. Its totient is φ = 3811392.

The previous prime is 12149107. The next prime is 12149141. The reversal of 12149118 is 81194121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12149091 and 12149100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19546 + ... + 20157.

It is an arithmetic number, because the mean of its divisors is an integer number (1161342).

Almost surely, 2^12149118 is an apocalyptic number.

12149118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12149118 is an abundant number, since it is smaller than the sum of its proper divisors (15723090).

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

12149118 is a wasteful number, since it uses less digits than its factorization.

12149118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39728 (or 39725 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 12149118 is about 3485.5584918346. The cubic root of 12149118 is about 229.8872667446.

The spelling of 12149118 in words is "twelve million, one hundred forty-nine thousand, one hundred eighteen".