12977441 has 2 divisors, whose sum is σ = 12977442. Its totient is φ = 12977440.

The previous prime is 12977411. The next prime is 12977449. The reversal of 12977441 is 14477921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 46225 = 3596^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12977441 - 2¹⁰ = 12976417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12977449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488720 + 6488721.

It is an arithmetic number, because the mean of its divisors is an integer number (6488721).

Almost surely, 2^12977441 is an apocalyptic number.

It is an amenable number.

12977441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977441 is an equidigital number, since it uses as much as digits as its factorization.

12977441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 12977441 is about 3602.4215466822. The cubic root of 12977441 is about 234.9973803843.

The spelling of 12977441 in words is "twelve million, nine hundred seventy-seven thousand, four hundred forty-one".