11982365 has 16 divisors (see below), whose sum is σ = 15752880. Its totient is φ = 8709120.

The previous prime is 11982359. The next prime is 11982371. The reversal of 11982365 is 56328911.

It is an interprime number because it is at equal distance from previous prime (11982359) and next prime (11982371).

It can be written as a sum of positive squares in 8 ways, for example, as 1315609 + 10666756 = 1147^2 + 3266^2 .

It is not a de Polignac number, because 11982365 - 2⁴ = 11982349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (984555).

Almost surely, 2^11982365 is an apocalyptic number.

It is an amenable number.

11982365 is a deficient number, since it is larger than the sum of its proper divisors (3770515).

11982365 is a wasteful number, since it uses less digits than its factorization.

11982365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912.

The product of its digits is 12960, while the sum is 35.

The square root of 11982365 is about 3461.5552862839. Note that the first 3 decimals coincide. The cubic root of 11982365 is about 228.8306433296.

The spelling of 11982365 in words is "eleven million, nine hundred eighty-two thousand, three hundred sixty-five".