12755290 has 32 divisors (see below), whose sum is σ = 23640336. Its totient is φ = 4953600.

The previous prime is 12755279. The next prime is 12755297. The reversal of 12755290 is 9255721.

It can be written as a sum of positive squares in 8 ways, for example, as 11716929 + 1038361 = 3423^2 + 1019^2 .

It is not an unprimeable number, because it can be changed into a prime (12755297) 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, 73644 + ... + 73816.

Almost surely, 2^12755290 is an apocalyptic number.

12755290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12755290 is a deficient number, since it is larger than the sum of its proper divisors (10885046).

12755290 is a wasteful number, since it uses less digits than its factorization.

12755290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12755290 is about 3571.4548856173. The cubic root of 12755290 is about 233.6487412562.

The spelling of 12755290 in words is "twelve million, seven hundred fifty-five thousand, two hundred ninety".