11172907 has 2 divisors, whose sum is σ = 11172908. Its totient is φ = 11172906.

The previous prime is 11172881. The next prime is 11172911. The reversal of 11172907 is 70927111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11172907 - 2¹⁹ = 10648619 is a prime.

It is not a weakly prime, because it can be changed into another prime (11172407) 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 as a sum of consecutive naturals, namely, 5586453 + 5586454.

It is an arithmetic number, because the mean of its divisors is an integer number (5586454).

Almost surely, 2^11172907 is an apocalyptic number.

11172907 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172907 is an equidigital number, since it uses as much as digits as its factorization.

11172907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 11172907 is about 3342.5898641622. The cubic root of 11172907 is about 223.5572341815.

The spelling of 11172907 in words is "eleven million, one hundred seventy-two thousand, nine hundred seven".