12933897 has 4 divisors (see below), whose sum is σ = 17245200. Its totient is φ = 8622596.

The previous prime is 12933871. The next prime is 12933919. The reversal of 12933897 is 79833921.

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 12933897 - 2¹⁰ = 12932873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12933827) 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, 2155647 + ... + 2155652.

It is an arithmetic number, because the mean of its divisors is an integer number (4311300).

Almost surely, 2^12933897 is an apocalyptic number.

It is an amenable number.

12933897 is a deficient number, since it is larger than the sum of its proper divisors (4311303).

12933897 is an equidigital number, since it uses as much as digits as its factorization.

12933897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311302.

The product of its digits is 81648, while the sum is 42.

The square root of 12933897 is about 3596.3727559862. The cubic root of 12933897 is about 234.7342521824.

The spelling of 12933897 in words is "twelve million, nine hundred thirty-three thousand, eight hundred ninety-seven".