11391607 has 2 divisors, whose sum is σ = 11391608. Its totient is φ = 11391606.

The previous prime is 11391593. The next prime is 11391617. The reversal of 11391607 is 70619311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11391607 - 2¹¹ = 11389559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11391617) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5695803 + 5695804.

It is an arithmetic number, because the mean of its divisors is an integer number (5695804).

Almost surely, 2^11391607 is an apocalyptic number.

11391607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11391607 is an equidigital number, since it uses as much as digits as its factorization.

11391607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 11391607 is about 3375.1454783461. The cubic root of 11391607 is about 225.0064656578.

The spelling of 11391607 in words is "eleven million, three hundred ninety-one thousand, six hundred seven".