11759940 has 72 divisors (see below), whose sum is σ = 36167040. Its totient is φ = 3092544.

The previous prime is 11759927. The next prime is 11759959. The reversal of 11759940 is 4995711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11759895 and 11759904.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13807 + ... + 14633.

It is an arithmetic number, because the mean of its divisors is an integer number (502320).

Almost surely, 2^11759940 is an apocalyptic number.

11759940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11759940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18083520).

11759940 is an abundant number, since it is smaller than the sum of its proper divisors (24407100).

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

11759940 is a wasteful number, since it uses less digits than its factorization.

11759940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 11759940 is about 3429.2768917076. The cubic root of 11759940 is about 227.4058862821.

The spelling of 11759940 in words is "eleven million, seven hundred fifty-nine thousand, nine hundred forty".