12755345 has 4 divisors (see below), whose sum is σ = 15306420. Its totient is φ = 10204272.

The previous prime is 12755341. The next prime is 12755359. The reversal of 12755345 is 54355721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54355721 = 7 ⋅7765103.

It can be written as a sum of positive squares in 2 ways, for example, as 2521744 + 10233601 = 1588^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 12755345 - 2² = 12755341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12755341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275530 + ... + 1275539.

It is an arithmetic number, because the mean of its divisors is an integer number (3826605).

Almost surely, 2^12755345 is an apocalyptic number.

It is an amenable number.

12755345 is a deficient number, since it is larger than the sum of its proper divisors (2551075).

12755345 is an equidigital number, since it uses as much as digits as its factorization.

12755345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551074.

The product of its digits is 21000, while the sum is 32.

The square root of 12755345 is about 3571.4625855523. The cubic root of 12755345 is about 233.6490770819.

The spelling of 12755345 in words is "twelve million, seven hundred fifty-five thousand, three hundred forty-five".