12651049 has 2 divisors, whose sum is σ = 12651050. Its totient is φ = 12651048.

The previous prime is 12651019. The next prime is 12651053. The reversal of 12651049 is 94015621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10445824 + 2205225 = 3232^2 + 1485^2 .

It is a cyclic number.

It is not a de Polignac number, because 12651049 - 2⁷ = 12650921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12651019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325524 + 6325525.

It is an arithmetic number, because the mean of its divisors is an integer number (6325525).

Almost surely, 2^12651049 is an apocalyptic number.

It is an amenable number.

12651049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651049 is an equidigital number, since it uses as much as digits as its factorization.

12651049 is an evil number, because the sum of its binary digits is even.

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

The square root of 12651049 is about 3556.8313145270. The cubic root of 12651049 is about 233.0105111703.

The spelling of 12651049 in words is "twelve million, six hundred fifty-one thousand, forty-nine".