11882765 has 12 divisors (see below), whose sum is σ = 14740092. Its totient is φ = 9195840.

The previous prime is 11882747. The next prime is 11882807. The reversal of 11882765 is 56728811.

It can be written as a sum of positive squares in 2 ways, for example, as 6620329 + 5262436 = 2573^2 + 2294^2 .

It is not a de Polignac number, because 11882765 - 2⁶ = 11882701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3569 + ... + 6041.

It is an arithmetic number, because the mean of its divisors is an integer number (1228341).

Almost surely, 2^11882765 is an apocalyptic number.

It is an amenable number.

11882765 is a deficient number, since it is larger than the sum of its proper divisors (2857327).

11882765 is an equidigital number, since it uses as much as digits as its factorization.

11882765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2509 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 11882765 is about 3447.1386685192. The cubic root of 11882765 is about 228.1948485680.

The spelling of 11882765 in words is "eleven million, eight hundred eighty-two thousand, seven hundred sixty-five".