11572663 has 2 divisors, whose sum is σ = 11572664. Its totient is φ = 11572662.

The previous prime is 11572637. The next prime is 11572667. The reversal of 11572663 is 36627511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11572663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11572667) 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, 5786331 + 5786332.

It is an arithmetic number, because the mean of its divisors is an integer number (5786332).

Almost surely, 2^11572663 is an apocalyptic number.

11572663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11572663 is an equidigital number, since it uses as much as digits as its factorization.

11572663 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11572663 is about 3401.8616961893. The cubic root of 11572663 is about 226.1922750896.

The spelling of 11572663 in words is "eleven million, five hundred seventy-two thousand, six hundred sixty-three".