12232091 has 2 divisors, whose sum is σ = 12232092. Its totient is φ = 12232090.

The previous prime is 12232069. The next prime is 12232117. The reversal of 12232091 is 19023221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232091 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12232001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116045 + 6116046.

It is an arithmetic number, because the mean of its divisors is an integer number (6116046).

Almost surely, 2^12232091 is an apocalyptic number.

12232091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232091 is an equidigital number, since it uses as much as digits as its factorization.

12232091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12232091 is about 3497.4406356649. The cubic root of 12232091 is about 230.4094219860.

The spelling of 12232091 in words is "twelve million, two hundred thirty-two thousand, ninety-one".