12880922 has 8 divisors (see below), whose sum is σ = 19370772. Its totient is φ = 6424000.

The previous prime is 12880919. The next prime is 12880927. The reversal of 12880922 is 22908821.

It is a Cunningham number, because it is equal to 3589²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 1 = 3589^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12880927) 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, 7229 + ... + 8832.

Almost surely, 2^12880922 is an apocalyptic number.

12880922 is a deficient number, since it is larger than the sum of its proper divisors (6489850).

12880922 is a wasteful number, since it uses less digits than its factorization.

12880922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12880922 is about 3589.0001393146. Note that the first 3 decimals coincide. The cubic root of 12880922 is about 234.4133367097.

The spelling of 12880922 in words is "twelve million, eight hundred eighty thousand, nine hundred twenty-two".