12997633 has 8 divisors (see below), whose sum is σ = 14359680. Its totient is φ = 11665680.

The previous prime is 12997631. The next prime is 12997637. The reversal of 12997633 is 33679921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12997633 - 2¹ = 12997631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12997631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6610 + ... + 8347.

It is an arithmetic number, because the mean of its divisors is an integer number (1794960).

Almost surely, 2^12997633 is an apocalyptic number.

It is an amenable number.

12997633 is a deficient number, since it is larger than the sum of its proper divisors (1362047).

12997633 is a wasteful number, since it uses less digits than its factorization.

12997633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047.

The product of its digits is 61236, while the sum is 40.

The square root of 12997633 is about 3605.2230166801. The cubic root of 12997633 is about 235.1191971130.

The spelling of 12997633 in words is "twelve million, nine hundred ninety-seven thousand, six hundred thirty-three".