11872065 has 16 divisors (see below), whose sum is σ = 19280448. Its totient is φ = 6236736.

The previous prime is 11872057. The next prime is 11872097. The reversal of 11872065 is 56027811.

It is not a de Polignac number, because 11872065 - 2³ = 11872057 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 4902 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (1205028).

Almost surely, 2^11872065 is an apocalyptic number.

11872065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11872065 is a deficient number, since it is larger than the sum of its proper divisors (7408383).

11872065 is a wasteful number, since it uses less digits than its factorization.

11872065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 11872065 is about 3445.5863071472. The cubic root of 11872065 is about 228.1263342638.

Adding to 11872065 its reverse (56027811), we get a palindrome (67899876).

The spelling of 11872065 in words is "eleven million, eight hundred seventy-two thousand, sixty-five".