11882565 has 16 divisors (see below), whose sum is σ = 21124800. Its totient is φ = 6337296.

The previous prime is 11882539. The next prime is 11882567. The reversal of 11882565 is 56528811.

11882565 is a `hidden beast` number, since 1 + 18 + 82 + 565 = 666.

It is not a de Polignac number, because 11882565 - 2⁸ = 11882309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11882567) 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, 43875 + ... + 44144.

It is an arithmetic number, because the mean of its divisors is an integer number (1320300).

Almost surely, 2^11882565 is an apocalyptic number.

11882565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11882565 is a deficient number, since it is larger than the sum of its proper divisors (9242235).

11882565 is an equidigital number, since it uses as much as digits as its factorization.

11882565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88033 (or 88027 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 11882565 is about 3447.1096588301. The cubic root of 11882565 is about 228.1935683041.

The spelling of 11882565 in words is "eleven million, eight hundred eighty-two thousand, five hundred sixty-five".