11945765 has 24 divisors (see below), whose sum is σ = 15828768. Its totient is φ = 8648640.

The previous prime is 11945753. The next prime is 11945797. The reversal of 11945765 is 56754911.

11945765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11945765 - 2⁴ = 11945749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56510 + ... + 56720.

It is an arithmetic number, because the mean of its divisors is an integer number (659532).

Almost surely, 2^11945765 is an apocalyptic number.

It is an amenable number.

11945765 is a deficient number, since it is larger than the sum of its proper divisors (3883003).

11945765 is a wasteful number, since it uses less digits than its factorization.

11945765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 296 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 11945765 is about 3456.2646021391. The cubic root of 11945765 is about 228.5974188266.

The spelling of 11945765 in words is "eleven million, nine hundred forty-five thousand, seven hundred sixty-five".