12880291 has 2 divisors, whose sum is σ = 12880292. Its totient is φ = 12880290.

The previous prime is 12880289. The next prime is 12880319. The reversal of 12880291 is 19208821.

It is a happy number.

12880291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19208821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12880291 - 2¹ = 12880289 is a prime.

Together with 12880289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12880201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440145 + 6440146.

It is an arithmetic number, because the mean of its divisors is an integer number (6440146).

Almost surely, 2^12880291 is an apocalyptic number.

12880291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12880291 is an equidigital number, since it uses as much as digits as its factorization.

12880291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12880291 is about 3588.9122307462. The cubic root of 12880291 is about 234.4095088980.

The spelling of 12880291 in words is "twelve million, eight hundred eighty thousand, two hundred ninety-one".