12922537 has 2 divisors, whose sum is σ = 12922538. Its totient is φ = 12922536.

The previous prime is 12922529. The next prime is 12922543. The reversal of 12922537 is 73522921.

12922537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 41616 = 3589^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 12922537 - 2³ = 12922529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12922499 and 12922508.

It is not a weakly prime, because it can be changed into another prime (12922517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461268 + 6461269.

It is an arithmetic number, because the mean of its divisors is an integer number (6461269).

Almost surely, 2^12922537 is an apocalyptic number.

It is an amenable number.

12922537 is a deficient number, since it is larger than the sum of its proper divisors (1).

12922537 is an equidigital number, since it uses as much as digits as its factorization.

12922537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 12922537 is about 3594.7930399399. The cubic root of 12922537 is about 234.6655087304.

The spelling of 12922537 in words is "twelve million, nine hundred twenty-two thousand, five hundred thirty-seven".