11287663 has 2 divisors, whose sum is σ = 11287664. Its totient is φ = 11287662.

The previous prime is 11287657. The next prime is 11287693. The reversal of 11287663 is 36678211.

11287663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11287663 - 2⁵ = 11287631 is a prime.

It is a super-2 number, since 2×11287663² = 254822672003138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11287693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643831 + 5643832.

It is an arithmetic number, because the mean of its divisors is an integer number (5643832).

Almost surely, 2^11287663 is an apocalyptic number.

11287663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287663 is an equidigital number, since it uses as much as digits as its factorization.

11287663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 11287663 is about 3359.7117435875. The cubic root of 11287663 is about 224.3200079123.

The spelling of 11287663 in words is "eleven million, two hundred eighty-seven thousand, six hundred sixty-three".