11940663 has 24 divisors (see below), whose sum is σ = 19165680. Its totient is φ = 6585600.

The previous prime is 11940661. The next prime is 11940671. The reversal of 11940663 is 36604911.

It is not a de Polignac number, because 11940663 - 2¹ = 11940661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11940663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2863 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (798570).

Almost surely, 2^11940663 is an apocalyptic number.

11940663 is a deficient number, since it is larger than the sum of its proper divisors (7225017).

11940663 is a wasteful number, since it uses less digits than its factorization.

11940663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 11940663 is about 3455.5264432500. The cubic root of 11940663 is about 228.5648697709.

The spelling of 11940663 in words is "eleven million, nine hundred forty thousand, six hundred sixty-three".