11859616 has 12 divisors (see below), whose sum is σ = 23348682. Its totient is φ = 5929792.

The previous prime is 11859611. The next prime is 11859643. The reversal of 11859616 is 61695811.

11859616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 163216 = 3420^2 + 404^2 .

It is not an unprimeable number, because it can be changed into a prime (11859611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185275 + ... + 185338.

Almost surely, 2^11859616 is an apocalyptic number.

11859616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11859616 is a deficient number, since it is larger than the sum of its proper divisors (11489066).

11859616 is an equidigital number, since it uses as much as digits as its factorization.

11859616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370623 (or 370615 counting only the distinct ones).

The product of its digits is 12960, while the sum is 37.

The square root of 11859616 is about 3443.7793192944. The cubic root of 11859616 is about 228.0465689221.

It can be divided in two parts, 1185 and 9616, that added together give a palindrome (10801).

The spelling of 11859616 in words is "eleven million, eight hundred fifty-nine thousand, six hundred sixteen".