11635990 has 16 divisors (see below), whose sum is σ = 22177152. Its totient is φ = 4380544.

The previous prime is 11635979. The next prime is 11635993. The reversal of 11635990 is 9953611.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11635993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34054 + ... + 34393.

It is an arithmetic number, because the mean of its divisors is an integer number (1386072).

Almost surely, 2^11635990 is an apocalyptic number.

11635990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11635990 is a deficient number, since it is larger than the sum of its proper divisors (10541162).

11635990 is a wasteful number, since it uses less digits than its factorization.

11635990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68471.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 11635990 is about 3411.1566953161. The cubic root of 11635990 is about 226.6041085531.

The spelling of 11635990 in words is "eleven million, six hundred thirty-five thousand, nine hundred ninety".