12936420 has 72 divisors (see below), whose sum is σ = 44850624. Its totient is φ = 2956608.

The previous prime is 12936409. The next prime is 12936433. The reversal of 12936420 is 2463921.

12936420 is a `hidden beast` number, since 12 + 9 + 3 + 642 + 0 = 666.

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, 3874 + ... + 6393.

Almost surely, 2^12936420 is an apocalyptic number.

12936420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12936420 is an abundant number, since it is smaller than the sum of its proper divisors (31914204).

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

12936420 is a wasteful number, since it uses less digits than its factorization.

12936420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289 (or 10284 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 12936420 is about 3596.7235089731. The cubic root of 12936420 is about 234.7495143011.

The spelling of 12936420 in words is "twelve million, nine hundred thirty-six thousand, four hundred twenty".