12922461 has 6 divisors (see below), whose sum is σ = 18665790. Its totient is φ = 8614968.

The previous prime is 12922453. The next prime is 12922471. The reversal of 12922461 is 16422921.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 5625 = 3594^2 + 75^2 .

It is not a de Polignac number, because 12922461 - 2³ = 12922453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12922411) 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, 717906 + ... + 717923.

It is an arithmetic number, because the mean of its divisors is an integer number (3110965).

Almost surely, 2^12922461 is an apocalyptic number.

It is an amenable number.

12922461 is a deficient number, since it is larger than the sum of its proper divisors (5743329).

12922461 is a wasteful number, since it uses less digits than its factorization.

12922461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435835 (or 1435832 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 12922461 is about 3594.7824690793. The cubic root of 12922461 is about 234.6650486914.

The spelling of 12922461 in words is "twelve million, nine hundred twenty-two thousand, four hundred sixty-one".