12050565 has 16 divisors (see below), whose sum is σ = 19692288. Its totient is φ = 6289856.

The previous prime is 12050561. The next prime is 12050587. The reversal of 12050565 is 56505021.

12050565 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12050565 - 2² = 12050561 is a prime.

It is a super-2 number, since 2×12050565² = 290432233638450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7842 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (1230768).

Almost surely, 2^12050565 is an apocalyptic number.

12050565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12050565 is a deficient number, since it is larger than the sum of its proper divisors (7641723).

12050565 is a wasteful number, since it uses less digits than its factorization.

12050565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 12050565 is about 3471.3923719453. The cubic root of 12050565 is about 229.2639672035.

Adding to 12050565 its reverse (56505021), we get a palindrome (68555586).

The spelling of 12050565 in words is "twelve million, fifty thousand, five hundred sixty-five".