12649051 has 2 divisors, whose sum is σ = 12649052. Its totient is φ = 12649050.

The previous prime is 12649031. The next prime is 12649061. The reversal of 12649051 is 15094621.

It is a strong prime.

It is an emirp because it is prime and its reverse (15094621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12649051 - 2⁹ = 12648539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12649001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324525 + 6324526.

It is an arithmetic number, because the mean of its divisors is an integer number (6324526).

Almost surely, 2^12649051 is an apocalyptic number.

12649051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12649051 is an equidigital number, since it uses as much as digits as its factorization.

12649051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12649051 is about 3556.5504354641. The cubic root of 12649051 is about 232.9982439527.

The spelling of 12649051 in words is "twelve million, six hundred forty-nine thousand, fifty-one".