11859940 has 24 divisors (see below), whose sum is σ = 24970680. Its totient is φ = 4731648.

The previous prime is 11859929. The next prime is 11859961. The reversal of 11859940 is 4995811.

It can be written as a sum of positive squares in 4 ways, for example, as 6770404 + 5089536 = 2602^2 + 2256^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11859940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14256 + ... + 15064.

It is an arithmetic number, because the mean of its divisors is an integer number (1040445).

Almost surely, 2^11859940 is an apocalyptic number.

11859940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11859940 is an abundant number, since it is smaller than the sum of its proper divisors (13110740).

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

11859940 is a wasteful number, since it uses less digits than its factorization.

11859940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1549 counting only the distinct ones).

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

The square root of 11859940 is about 3443.8263603149. The cubic root of 11859940 is about 228.0486456170.

The spelling of 11859940 in words is "eleven million, eight hundred fifty-nine thousand, nine hundred forty".