18960765 has 16 divisors (see below), whose sum is σ = 31934400. Its totient is φ = 9580032.

The previous prime is 18960757. The next prime is 18960779. The reversal of 18960765 is 56706981.

It is not a de Polignac number, because 18960765 - 2³ = 18960757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32980 + ... + 33549.

It is an arithmetic number, because the mean of its divisors is an integer number (1995900).

Almost surely, 2^18960765 is an apocalyptic number.

18960765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18960765 is a deficient number, since it is larger than the sum of its proper divisors (12973635).

18960765 is a wasteful number, since it uses less digits than its factorization.

18960765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66556.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 18960765 is about 4354.3960545637. The cubic root of 18960765 is about 266.6563633172.

The spelling of 18960765 in words is "eighteen million, nine hundred sixty thousand, seven hundred sixty-five".