12709380 has 48 divisors (see below), whose sum is σ = 36739584. Its totient is φ = 3279360.

The previous prime is 12709379. The next prime is 12709393. The reversal of 12709380 is 8390721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (765408).

Almost surely, 2^12709380 is an apocalyptic number.

12709380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12709380 is an abundant number, since it is smaller than the sum of its proper divisors (24030204).

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

12709380 is a wasteful number, since it uses less digits than its factorization.

12709380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876 (or 6874 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12709380 is about 3565.0217390642. The cubic root of 12709380 is about 233.3680809930.

The spelling of 12709380 in words is "twelve million, seven hundred nine thousand, three hundred eighty".