12296021 has 6 divisors (see below), whose sum is σ = 12977622. Its totient is φ = 11648520.

The previous prime is 12296017. The next prime is 12296027. The reversal of 12296021 is 12069221.

It can be written as a sum of positive squares in only one way, i.e., 6195121 + 6100900 = 2489^2 + 2470^2 .

It is not a de Polignac number, because 12296021 - 2² = 12296017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12296027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16670 + ... + 17391.

It is an arithmetic number, because the mean of its divisors is an integer number (2162937).

Almost surely, 2^12296021 is an apocalyptic number.

It is an amenable number.

12296021 is a deficient number, since it is larger than the sum of its proper divisors (681601).

12296021 is an equidigital number, since it uses as much as digits as its factorization.

12296021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34099 (or 34080 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12296021 is about 3506.5682654128. The cubic root of 12296021 is about 230.8101298935.

The spelling of 12296021 in words is "twelve million, two hundred ninety-six thousand, twenty-one".