11922907 has 2 divisors, whose sum is σ = 11922908. Its totient is φ = 11922906.

The previous prime is 11922893. The next prime is 11922931. The reversal of 11922907 is 70922911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11922907 is a prime.

It is a super-2 number, since 2×11922907² = 284311422661298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11922007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961453 + 5961454.

It is an arithmetic number, because the mean of its divisors is an integer number (5961454).

Almost surely, 2^11922907 is an apocalyptic number.

11922907 is a deficient number, since it is larger than the sum of its proper divisors (1).

11922907 is an equidigital number, since it uses as much as digits as its factorization.

11922907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11922907 is about 3452.9562696333. The cubic root of 11922907 is about 228.4515200870.

The spelling of 11922907 in words is "eleven million, nine hundred twenty-two thousand, nine hundred seven".