12997733 has 4 divisors (see below), whose sum is σ = 14854560. Its totient is φ = 11140908.

The previous prime is 12997681. The next prime is 12997763. The reversal of 12997733 is 33779921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12997733 - 2⁶ = 12997669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928403 + ... + 928416.

It is an arithmetic number, because the mean of its divisors is an integer number (3713640).

Almost surely, 2^12997733 is an apocalyptic number.

It is an amenable number.

12997733 is a deficient number, since it is larger than the sum of its proper divisors (1856827).

12997733 is an equidigital number, since it uses as much as digits as its factorization.

12997733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856826.

The product of its digits is 71442, while the sum is 41.

The square root of 12997733 is about 3605.2368854210. The cubic root of 12997733 is about 235.1198000910.

The spelling of 12997733 in words is "twelve million, nine hundred ninety-seven thousand, seven hundred thirty-three".