11663787 has 8 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 7745768.

The previous prime is 11663731. The next prime is 11663837. The reversal of 11663787 is 78736611.

11663787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11663787 - 2⁶ = 11663723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11663087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6603 + ... + 8180.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 2^11663787 is an apocalyptic number.

11663787 is a deficient number, since it is larger than the sum of its proper divisors (3948117).

11663787 is a wasteful number, since it uses less digits than its factorization.

11663787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15049.

The product of its digits is 42336, while the sum is 39.

The square root of 11663787 is about 3415.2286892681. The cubic root of 11663787 is about 226.7844085036.

It can be divided in two parts, 116 and 63787, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 11663787 in words is "eleven million, six hundred sixty-three thousand, seven hundred eighty-seven".