12726940 has 24 divisors (see below), whose sum is σ = 27649440. Its totient is φ = 4915008.

The previous prime is 12726937. The next prime is 12726977. The reversal of 12726940 is 4962721.

It is a congruent number.

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, 10392 + ... + 11551.

It is an arithmetic number, because the mean of its divisors is an integer number (1152060).

Almost surely, 2^12726940 is an apocalyptic number.

12726940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12726940 is an abundant number, since it is smaller than the sum of its proper divisors (14922500).

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

12726940 is a wasteful number, since it uses less digits than its factorization.

12726940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21981 (or 21979 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12726940 is about 3567.4837070406. The cubic root of 12726940 is about 233.4755097223.

The spelling of 12726940 in words is "twelve million, seven hundred twenty-six thousand, nine hundred forty".