11968065 has 12 divisors (see below), whose sum is σ = 20744724. Its totient is φ = 6382944.

The previous prime is 11968063. The next prime is 11968067. The reversal of 11968065 is 56086911.

11968065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11968063) and next prime (11968067).

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 6548481 = 2328^2 + 2559^2 .

It is not a de Polignac number, because 11968065 - 2¹ = 11968063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132934 + ... + 133023.

It is an arithmetic number, because the mean of its divisors is an integer number (1728727).

Almost surely, 2^11968065 is an apocalyptic number.

11968065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11968065 is a deficient number, since it is larger than the sum of its proper divisors (8776659).

11968065 is a wasteful number, since it uses less digits than its factorization.

11968065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265968 (or 265965 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 11968065 is about 3459.4891241338. The cubic root of 11968065 is about 228.7395766997.

It can be divided in two parts, 1196 and 8065, that added together give a cube (9261 = 21³).

The spelling of 11968065 in words is "eleven million, nine hundred sixty-eight thousand, sixty-five".