12922542 has 12 divisors (see below), whose sum is σ = 27998880. Its totient is φ = 4307508.

The previous prime is 12922537. The next prime is 12922543. The reversal of 12922542 is 24522921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12922543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358942 + ... + 358977.

It is an arithmetic number, because the mean of its divisors is an integer number (2333240).

Almost surely, 2^12922542 is an apocalyptic number.

12922542 is an abundant number, since it is smaller than the sum of its proper divisors (15076338).

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

12922542 is a wasteful number, since it uses less digits than its factorization.

12922542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717927 (or 717924 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 12922542 is about 3594.7937353901. The cubic root of 12922542 is about 234.6655389961.

The spelling of 12922542 in words is "twelve million, nine hundred twenty-two thousand, five hundred forty-two".