12460909 has 2 divisors, whose sum is σ = 12460910. Its totient is φ = 12460908.

The previous prime is 12460901. The next prime is 12460919. The reversal of 12460909 is 90906421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 9 = 3530^2 + 3^2 .

It is an emirp because it is prime and its reverse (90906421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12460909 - 2³ = 12460901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12460901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230454 + 6230455.

It is an arithmetic number, because the mean of its divisors is an integer number (6230455).

Almost surely, 2^12460909 is an apocalyptic number.

It is an amenable number.

12460909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12460909 is an equidigital number, since it uses as much as digits as its factorization.

12460909 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 31.

The square root of 12460909 is about 3530.0012747873. The cubic root of 12460909 is about 231.8372632529.

The spelling of 12460909 in words is "twelve million, four hundred sixty thousand, nine hundred nine".