11836990 has 16 divisors (see below), whose sum is σ = 23243760. Its totient is φ = 4304320.

The previous prime is 11836969. The next prime is 11836991. The reversal of 11836990 is 9963811.

It is a super-2 number, since 2×11836990² = 280228664520200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11836991) 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, 53695 + ... + 53914.

It is an arithmetic number, because the mean of its divisors is an integer number (1452735).

Almost surely, 2^11836990 is an apocalyptic number.

11836990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11836990 is a deficient number, since it is larger than the sum of its proper divisors (11406770).

11836990 is a wasteful number, since it uses less digits than its factorization.

11836990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107627.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 11836990 is about 3440.4926972746. The cubic root of 11836990 is about 227.9014527435.

The spelling of 11836990 in words is "eleven million, eight hundred thirty-six thousand, nine hundred ninety".