12940580 has 24 divisors (see below), whose sum is σ = 27433728. Its totient is φ = 5127008.

The previous prime is 12940579. The next prime is 12940591. The reversal of 12940580 is 8504921.

It is a super-2 number, since 2×12940580² = 334917221472800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884 + ... + 5163.

It is an arithmetic number, because the mean of its divisors is an integer number (1143072).

Almost surely, 2^12940580 is an apocalyptic number.

12940580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12940580 is an abundant number, since it is smaller than the sum of its proper divisors (14493148).

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

12940580 is a wasteful number, since it uses less digits than its factorization.

12940580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12940580 is about 3597.3017666023. The cubic root of 12940580 is about 234.7746746191.

The spelling of 12940580 in words is "twelve million, nine hundred forty thousand, five hundred eighty".