12649061 has 2 divisors, whose sum is σ = 12649062. Its totient is φ = 12649060.

The previous prime is 12649051. The next prime is 12649067. The reversal of 12649061 is 16094621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 3976036 = 2945^2 + 1994^2 .

It is an emirp because it is prime and its reverse (16094621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12649061 - 2¹⁰ = 12648037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12649067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324530 + 6324531.

It is an arithmetic number, because the mean of its divisors is an integer number (6324531).

Almost surely, 2^12649061 is an apocalyptic number.

It is an amenable number.

12649061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12649061 is an equidigital number, since it uses as much as digits as its factorization.

12649061 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 12649061 is about 3556.5518413205. The cubic root of 12649061 is about 232.9983053534.

The spelling of 12649061 in words is "twelve million, six hundred forty-nine thousand, sixty-one".