12922288 has 20 divisors (see below), whose sum is σ = 25845568. Its totient is φ = 6252480.

The previous prime is 12922279. The next prime is 12922289. The reversal of 12922288 is 88222921.

It is a happy number.

12922288 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12922289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12531 + ... + 13522.

Almost surely, 2^12922288 is an apocalyptic number.

It is an amenable number.

12922288 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12922288 is a wasteful number, since it uses less digits than its factorization.

12922288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26092 (or 26086 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 12922288 is about 3594.7584063467. The cubic root of 12922288 is about 234.6640014906.

It can be divided in two parts, 1292 and 2288, that multiplied together give a triangular number (2956096 = T₂₄₃₁).

The spelling of 12922288 in words is "twelve million, nine hundred twenty-two thousand, two hundred eighty-eight".