12610649 has 2 divisors, whose sum is σ = 12610650. Its totient is φ = 12610648.

The previous prime is 12610627. The next prime is 12610667. The reversal of 12610649 is 94601621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12201049 + 409600 = 3493^2 + 640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12610649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12610669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305324 + 6305325.

It is an arithmetic number, because the mean of its divisors is an integer number (6305325).

Almost surely, 2^12610649 is an apocalyptic number.

It is an amenable number.

12610649 is a deficient number, since it is larger than the sum of its proper divisors (1).

12610649 is an equidigital number, since it uses as much as digits as its factorization.

12610649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 12610649 is about 3551.1475610005. The cubic root of 12610649 is about 232.7622138949.

The spelling of 12610649 in words is "twelve million, six hundred ten thousand, six hundred forty-nine".