12648877 has 2 divisors, whose sum is σ = 12648878. Its totient is φ = 12648876.

The previous prime is 12648859. The next prime is 12648887. The reversal of 12648877 is 77884621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 391876 = 3501^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 12648877 - 2⁷ = 12648749 is a prime.

It is a super-2 number, since 2×12648877² = 319988178722258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12648887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324438 + 6324439.

It is an arithmetic number, because the mean of its divisors is an integer number (6324439).

Almost surely, 2^12648877 is an apocalyptic number.

It is an amenable number.

12648877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12648877 is an equidigital number, since it uses as much as digits as its factorization.

12648877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 43.

The square root of 12648877 is about 3556.5259734747. The cubic root of 12648877 is about 232.9971755753.

The spelling of 12648877 in words is "twelve million, six hundred forty-eight thousand, eight hundred seventy-seven".