11944065 has 32 divisors (see below), whose sum is σ = 22993920. Its totient is φ = 5171904.

The previous prime is 11944043. The next prime is 11944069. The reversal of 11944065 is 56044911.

11944065 = 65² + 66² + ... + 330².

It is a happy number.

It is not a de Polignac number, because 11944065 - 2⁵ = 11944033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11944069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 999 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (718560).

Almost surely, 2^11944065 is an apocalyptic number.

11944065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11944065 is a deficient number, since it is larger than the sum of its proper divisors (11049855).

11944065 is a wasteful number, since it uses less digits than its factorization.

11944065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 11944065 is about 3456.0186631441. The cubic root of 11944065 is about 228.5865744242.

Adding to 11944065 its reverse (56044911), we get a palindrome (67988976).

The spelling of 11944065 in words is "eleven million, nine hundred forty-four thousand, sixty-five".