11420663 has 2 divisors, whose sum is σ = 11420664. Its totient is φ = 11420662.

The previous prime is 11420641. The next prime is 11420687. The reversal of 11420663 is 36602411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420663 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 (11420623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710331 + 5710332.

It is an arithmetic number, because the mean of its divisors is an integer number (5710332).

Almost surely, 2^11420663 is an apocalyptic number.

11420663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420663 is an equidigital number, since it uses as much as digits as its factorization.

11420663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 11420663 is about 3379.4471441347. The cubic root of 11420663 is about 225.1976074693.

The spelling of 11420663 in words is "eleven million, four hundred twenty thousand, six hundred sixty-three".