12927420 has 72 divisors (see below), whose sum is σ = 42784560. Its totient is φ = 3133440.

The previous prime is 12927401. The next prime is 12927437. The reversal of 12927420 is 2472921.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1285 + ... + 5244.

It is an arithmetic number, because the mean of its divisors is an integer number (594230).

Almost surely, 2^12927420 is an apocalyptic number.

12927420 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 12927420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21392280).

12927420 is an abundant number, since it is smaller than the sum of its proper divisors (29857140).

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

12927420 is a wasteful number, since it uses less digits than its factorization.

12927420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6550 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12927420 is about 3595.4721525830. The cubic root of 12927420 is about 234.6950624571.

The spelling of 12927420 in words is "twelve million, nine hundred twenty-seven thousand, four hundred twenty".