12050505 has 32 divisors (see below), whose sum is σ = 22360320. Its totient is φ = 6145920.

The previous prime is 12050497. The next prime is 12050509. The reversal of 12050505 is 50505021.

12050505 = 345² + 346² + ... + 425².

12050505 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 not a de Polignac number, because 12050505 - 2³ = 12050497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12050509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (698760).

Almost surely, 2^12050505 is an apocalyptic number.

12050505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12050505 is a deficient number, since it is larger than the sum of its proper divisors (10309815).

12050505 is a wasteful number, since it uses less digits than its factorization.

12050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 3912 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 12050505 is about 3471.3837298691. The cubic root of 12050505 is about 229.2635866996.

Adding to 12050505 its reverse (50505021), we get a palindrome (62555526).

It can be divided in two parts, 120 and 50505, that added together give a 4-th power (50625 = 15⁴).

The spelling of 12050505 in words is "twelve million, fifty thousand, five hundred five".