12996045 has 20 divisors (see below), whose sum is σ = 23297340. Its totient is φ = 6931008.

The previous prime is 12996043. The next prime is 12996059. The reversal of 12996045 is 54069921.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 11269449 = 1314^2 + 3357^2 .

It is not a de Polignac number, because 12996045 - 2¹ = 12996043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12996043) 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 19 ways as a sum of consecutive naturals, for example, 15640 + ... + 16449.

It is an arithmetic number, because the mean of its divisors is an integer number (1164867).

Almost surely, 2^12996045 is an apocalyptic number.

12996045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12996045 is a deficient number, since it is larger than the sum of its proper divisors (10301295).

12996045 is an equidigital number, since it uses as much as digits as its factorization.

12996045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32106 (or 32097 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 12996045 is about 3605.0027739240. The cubic root of 12996045 is about 235.1096214082.

The spelling of 12996045 in words is "twelve million, nine hundred ninety-six thousand, forty-five".