12945380 has 24 divisors (see below), whose sum is σ = 31069248. Its totient is φ = 4438368.

The previous prime is 12945377. The next prime is 12945391. The reversal of 12945380 is 8354921.

12945380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46094 + ... + 46373.

It is an arithmetic number, because the mean of its divisors is an integer number (1294552).

Almost surely, 2^12945380 is an apocalyptic number.

12945380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12945380 is an abundant number, since it is smaller than the sum of its proper divisors (18123868).

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

12945380 is a wasteful number, since it uses less digits than its factorization.

12945380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92483 (or 92481 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12945380 is about 3597.9688714607. The cubic root of 12945380 is about 234.8036990557.

The spelling of 12945380 in words is "twelve million, nine hundred forty-five thousand, three hundred eighty".