12920796 has 96 divisors (see below), whose sum is σ = 38940160. Its totient is φ = 3674160.

The previous prime is 12920783. The next prime is 12920797. The reversal of 12920796 is 69702921.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 12920796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12920797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61131 + ... + 61341.

Almost surely, 2^12920796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12920796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19470080).

12920796 is an abundant number, since it is smaller than the sum of its proper divisors (26019364).

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

12920796 is an equidigital number, since it uses as much as digits as its factorization.

12920796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 12920796 is about 3594.5508759788. The cubic root of 12920796 is about 234.6549697524.

The spelling of 12920796 in words is "twelve million, nine hundred twenty thousand, seven hundred ninety-six".