12827920 has 40 divisors (see below), whose sum is σ = 34087104. Its totient is φ = 4397952.

The previous prime is 12827917. The next prime is 12827921. The reversal of 12827920 is 2972821.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (12827921) by changing a digit.

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, 10894 + ... + 12013.

Almost surely, 2^12827920 is an apocalyptic number.

12827920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12827920 is an abundant number, since it is smaller than the sum of its proper divisors (21259184).

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

12827920 is a wasteful number, since it uses less digits than its factorization.

12827920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22927 (or 22921 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12827920 is about 3581.6085771619. The cubic root of 12827920 is about 234.0913759092.

The spelling of 12827920 in words is "twelve million, eight hundred twenty-seven thousand, nine hundred twenty".