12922450 has 12 divisors (see below), whose sum is σ = 24035850. Its totient is φ = 5168960.

The previous prime is 12922433. The next prime is 12922453. The reversal of 12922450 is 5422921.

It can be written as a sum of positive squares in 3 ways, for example, as 5583769 + 7338681 = 2363^2 + 2709^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12922453) 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 5 ways as a sum of consecutive naturals, for example, 129175 + ... + 129274.

Almost surely, 2^12922450 is an apocalyptic number.

12922450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12922450 is a deficient number, since it is larger than the sum of its proper divisors (11113400).

12922450 is a wasteful number, since it uses less digits than its factorization.

12922450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258461 (or 258456 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12922450 is about 3594.7809390838. The cubic root of 12922450 is about 234.6649821067.

The spelling of 12922450 in words is "twelve million, nine hundred twenty-two thousand, four hundred fifty".