12340091 has 2 divisors, whose sum is σ = 12340092. Its totient is φ = 12340090.

The previous prime is 12340061. The next prime is 12340103. The reversal of 12340091 is 19004321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12340091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12340061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170045 + 6170046.

It is an arithmetic number, because the mean of its divisors is an integer number (6170046).

Almost surely, 2^12340091 is an apocalyptic number.

12340091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340091 is an equidigital number, since it uses as much as digits as its factorization.

12340091 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12340091 is about 3512.8465665326. The cubic root of 12340091 is about 231.0855489188.

The spelling of 12340091 in words is "twelve million, three hundred forty thousand, ninety-one".