12946180 has 96 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 4300800.

The previous prime is 12946177. The next prime is 12946181. The reversal of 12946180 is 8164921.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 541696 + 12404484 = 736^2 + 3522^2 .

It is not an unprimeable number, because it can be changed into a prime (12946181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128130 + ... + 128230.

It is an arithmetic number, because the mean of its divisors is an integer number (337365).

Almost surely, 2^12946180 is an apocalyptic number.

12946180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12946180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16193520).

12946180 is an abundant number, since it is smaller than the sum of its proper divisors (19440860).

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

12946180 is a wasteful number, since it uses less digits than its factorization.

12946180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12946180 is about 3598.0800435788. The cubic root of 12946180 is about 234.8085357642.

The spelling of 12946180 in words is "twelve million, nine hundred forty-six thousand, one hundred eighty".