11982655 has 16 divisors (see below), whose sum is σ = 15526080. Its totient is φ = 8850688.

The previous prime is 11982653. The next prime is 11982661. The reversal of 11982655 is 55628911.

It is a cyclic number.

It is not a de Polignac number, because 11982655 - 2¹ = 11982653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (970380).

Almost surely, 2^11982655 is an apocalyptic number.

11982655 is a deficient number, since it is larger than the sum of its proper divisors (3543425).

11982655 is a wasteful number, since it uses less digits than its factorization.

11982655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650.

The product of its digits is 21600, while the sum is 37.

The square root of 11982655 is about 3461.5971747157. The cubic root of 11982655 is about 228.8324893856.

The spelling of 11982655 in words is "eleven million, nine hundred eighty-two thousand, six hundred fifty-five".