12290796 has 144 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 3110400.

The previous prime is 12290749. The next prime is 12290801. The reversal of 12290796 is 69709221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12290796.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81321 + ... + 81471.

It is an arithmetic number, because the mean of its divisors is an integer number (276640).

Almost surely, 2^12290796 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 12290796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19918080).

12290796 is an abundant number, since it is smaller than the sum of its proper divisors (27545364).

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

12290796 is a wasteful number, since it uses less digits than its factorization.

12290796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 199 counting only the distinct ones).

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

The square root of 12290796 is about 3505.8231558366. The cubic root of 12290796 is about 230.7774322213. Note that the first 3 decimals are identical.

The spelling of 12290796 in words is "twelve million, two hundred ninety thousand, seven hundred ninety-six".