12460991 has 2 divisors, whose sum is σ = 12460992. Its totient is φ = 12460990.

The previous prime is 12460967. The next prime is 12460999. The reversal of 12460991 is 19906421.

12460991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12460991 - 2¹⁸ = 12198847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12460999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230495 + 6230496.

It is an arithmetic number, because the mean of its divisors is an integer number (6230496).

Almost surely, 2^12460991 is an apocalyptic number.

12460991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12460991 is an equidigital number, since it uses as much as digits as its factorization.

12460991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12460991 is about 3530.0128894949. The cubic root of 12460991 is about 231.8377717929.

The spelling of 12460991 in words is "twelve million, four hundred sixty thousand, nine hundred ninety-one".