11927790 has 64 divisors (see below), whose sum is σ = 36357120. Its totient is φ = 2725920.

The previous prime is 11927789. The next prime is 11927791. The reversal of 11927790 is 9772911.

It is an interprime number because it is at equal distance from previous prime (11927789) and next prime (11927791).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11927791) 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 31 ways as a sum of consecutive naturals, for example, 1266 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (568080).

Almost surely, 2^11927790 is an apocalyptic number.

11927790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11927790 is an abundant number, since it is smaller than the sum of its proper divisors (24429330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11927790 is a wasteful number, since it uses less digits than its factorization.

11927790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334 (or 6328 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 11927790 is about 3453.6632725267. The cubic root of 11927790 is about 228.4827031007.

The spelling of 11927790 in words is "eleven million, nine hundred twenty-seven thousand, seven hundred ninety".