11540990 has 32 divisors (see below), whose sum is σ = 21841920. Its totient is φ = 4384800.

The previous prime is 11540989. The next prime is 11541001. The reversal of 11540990 is 9904511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17975 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (682560).

Almost surely, 2^11540990 is an apocalyptic number.

11540990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11540990 is a deficient number, since it is larger than the sum of its proper divisors (10300930).

11540990 is a wasteful number, since it uses less digits than its factorization.

11540990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 11540990 is about 3397.2032615079. The cubic root of 11540990 is about 225.9857327773.

The spelling of 11540990 in words is "eleven million, five hundred forty thousand, nine hundred ninety".