12606091 has 2 divisors, whose sum is σ = 12606092. Its totient is φ = 12606090.

The previous prime is 12606073. The next prime is 12606127. The reversal of 12606091 is 19060621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12606091 - 2⁵ = 12606059 is a prime.

It is not a weakly prime, because it can be changed into another prime (12606031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303045 + 6303046.

It is an arithmetic number, because the mean of its divisors is an integer number (6303046).

Almost surely, 2^12606091 is an apocalyptic number.

12606091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606091 is an equidigital number, since it uses as much as digits as its factorization.

12606091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12606091 is about 3550.5057386237. The cubic root of 12606091 is about 232.7341672808.

The spelling of 12606091 in words is "twelve million, six hundred six thousand, ninety-one".