11795563 has 16 divisors (see below), whose sum is σ = 13214880. Its totient is φ = 10457856.

The previous prime is 11795549. The next prime is 11795591. The reversal of 11795563 is 36559711.

It is a cyclic number.

It is not a de Polignac number, because 11795563 - 2¹³ = 11787371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11795503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65808 + ... + 65986.

It is an arithmetic number, because the mean of its divisors is an integer number (825930).

Almost surely, 2^11795563 is an apocalyptic number.

11795563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11795563 is a deficient number, since it is larger than the sum of its proper divisors (1419317).

11795563 is a wasteful number, since it uses less digits than its factorization.

11795563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 28350, while the sum is 37.

The square root of 11795563 is about 3434.4669164224. The cubic root of 11795563 is about 227.6352727683.

The spelling of 11795563 in words is "eleven million, seven hundred ninety-five thousand, five hundred sixty-three".