12996081 has 24 divisors (see below), whose sum is σ = 22389120. Its totient is φ = 7102656.

The previous prime is 12996079. The next prime is 12996091. The reversal of 12996081 is 18069921.

It is not a de Polignac number, because 12996081 - 2¹ = 12996079 is a prime.

It is a super-2 number, since 2×12996081² = 337796242717122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12996001) 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 23 ways as a sum of consecutive naturals, for example, 3036 + ... + 5933.

It is an arithmetic number, because the mean of its divisors is an integer number (932880).

Almost surely, 2^12996081 is an apocalyptic number.

It is an amenable number.

12996081 is a deficient number, since it is larger than the sum of its proper divisors (9393039).

12996081 is a wasteful number, since it uses less digits than its factorization.

12996081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005 (or 9002 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12996081 is about 3605.0077669819. The cubic root of 12996081 is about 235.1098384983.

The spelling of 12996081 in words is "twelve million, nine hundred ninety-six thousand, eighty-one".