12055761 has 6 divisors (see below), whose sum is σ = 17413890. Its totient is φ = 8037168.

The previous prime is 12055759. The next prime is 12055777. The reversal of 12055761 is 16755021.

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 705600 = 3369^2 + 840^2 .

It is not a de Polignac number, because 12055761 - 2¹ = 12055759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12055711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669756 + ... + 669773.

It is an arithmetic number, because the mean of its divisors is an integer number (2902315).

Almost surely, 2^12055761 is an apocalyptic number.

It is an amenable number.

12055761 is a deficient number, since it is larger than the sum of its proper divisors (5358129).

12055761 is a wasteful number, since it uses less digits than its factorization.

12055761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339535 (or 1339532 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 12055761 is about 3472.1406941540. The cubic root of 12055761 is about 229.2969140514.

The spelling of 12055761 in words is "twelve million, fifty-five thousand, seven hundred sixty-one".