12982291 has 4 divisors (see below), whose sum is σ = 14836912. Its totient is φ = 11127672.

The previous prime is 12982283. The next prime is 12982303. The reversal of 12982291 is 19228921.

12982291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19228921 = 17 ⋅1131113.

It is a cyclic number.

It is not a de Polignac number, because 12982291 - 2³ = 12982283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12982261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927300 + ... + 927313.

It is an arithmetic number, because the mean of its divisors is an integer number (3709228).

Almost surely, 2^12982291 is an apocalyptic number.

12982291 is a deficient number, since it is larger than the sum of its proper divisors (1854621).

12982291 is an equidigital number, since it uses as much as digits as its factorization.

12982291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854620.

The product of its digits is 5184, while the sum is 34.

The square root of 12982291 is about 3603.0946421098. The cubic root of 12982291 is about 235.0266515721.

The spelling of 12982291 in words is "twelve million, nine hundred eighty-two thousand, two hundred ninety-one".