12182258 has 16 divisors (see below), whose sum is σ = 20067264. Its totient is φ = 5500560.

The previous prime is 12182257. The next prime is 12182279. The reversal of 12182258 is 85228121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12182258.

It is not an unprimeable number, because it can be changed into a prime (12182257) 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, 1691 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (1254204).

Almost surely, 2^12182258 is an apocalyptic number.

12182258 is a deficient number, since it is larger than the sum of its proper divisors (7885006).

12182258 is a wasteful number, since it uses less digits than its factorization.

12182258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its digits is 2560, while the sum is 29.

The square root of 12182258 is about 3490.3091553615. The cubic root of 12182258 is about 230.0961035057.

The spelling of 12182258 in words is "twelve million, one hundred eighty-two thousand, two hundred fifty-eight".