12880261 has 2 divisors, whose sum is σ = 12880262. Its totient is φ = 12880260.

The previous prime is 12880247. The next prime is 12880267. The reversal of 12880261 is 16208821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 1252161 = 3410^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 12880261 - 2⁹ = 12879749 is a prime.

It is a super-2 number, since 2×12880261² = 331802246856242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12880267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440130 + 6440131.

It is an arithmetic number, because the mean of its divisors is an integer number (6440131).

Almost surely, 2^12880261 is an apocalyptic number.

It is an amenable number.

12880261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12880261 is an equidigital number, since it uses as much as digits as its factorization.

12880261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12880261 is about 3588.9080512044. The cubic root of 12880261 is about 234.4093269070.

The spelling of 12880261 in words is "twelve million, eight hundred eighty thousand, two hundred sixty-one".