12999180 has 24 divisors (see below), whose sum is σ = 36397872. Its totient is φ = 3466432.

The previous prime is 12999179. The next prime is 12999187. The reversal of 12999180 is 8199921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12999187) 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, 108267 + ... + 108386.

It is an arithmetic number, because the mean of its divisors is an integer number (1516578).

Almost surely, 2^12999180 is an apocalyptic number.

12999180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12999180 is an abundant number, since it is smaller than the sum of its proper divisors (23398692).

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

12999180 is a wasteful number, since it uses less digits than its factorization.

12999180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216665 (or 216663 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 12999180 is about 3605.4375601305. The cubic root of 12999180 is about 235.1285248362.

The spelling of 12999180 in words is "twelve million, nine hundred ninety-nine thousand, one hundred eighty".