12232691 has 2 divisors, whose sum is σ = 12232692. Its totient is φ = 12232690.

The previous prime is 12232687. The next prime is 12232697. The reversal of 12232691 is 19623221.

12232691 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12232691 - 2² = 12232687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12232691.

It is not a weakly prime, because it can be changed into another prime (12232697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116345 + 6116346.

It is an arithmetic number, because the mean of its divisors is an integer number (6116346).

Almost surely, 2^12232691 is an apocalyptic number.

12232691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232691 is an equidigital number, since it uses as much as digits as its factorization.

12232691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 12232691 is about 3497.5264116229. The cubic root of 12232691 is about 230.4131892185.

The spelling of 12232691 in words is "twelve million, two hundred thirty-two thousand, six hundred ninety-one".