12652791 has 4 divisors (see below), whose sum is σ = 16870392. Its totient is φ = 8435192.

The previous prime is 12652751. The next prime is 12652799. The reversal of 12652791 is 19725621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12652791 - 2⁷ = 12652663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652799) 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, 2108796 + ... + 2108801.

It is an arithmetic number, because the mean of its divisors is an integer number (4217598).

Almost surely, 2^12652791 is an apocalyptic number.

12652791 is a deficient number, since it is larger than the sum of its proper divisors (4217601).

12652791 is an equidigital number, since it uses as much as digits as its factorization.

12652791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217600.

The product of its digits is 7560, while the sum is 33.

The square root of 12652791 is about 3557.0761869828. The cubic root of 12652791 is about 233.0212055583.

The spelling of 12652791 in words is "twelve million, six hundred fifty-two thousand, seven hundred ninety-one".