12945755 has 20 divisors (see below), whose sum is σ = 17038272. Its totient is φ = 9432960.

The previous prime is 12945739. The next prime is 12945767. The reversal of 12945755 is 55754921.

It is a happy number.

12945755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12945755 - 2⁴ = 12945739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 417590 + ... + 417620.

Almost surely, 2^12945755 is an apocalyptic number.

12945755 is a deficient number, since it is larger than the sum of its proper divisors (4092517).

12945755 is an frugal number, since it uses more digits than its factorization.

12945755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 53 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 12945755 is about 3598.0209838187. The cubic root of 12945755 is about 234.8059662876.

The spelling of 12945755 in words is "twelve million, nine hundred forty-five thousand, seven hundred fifty-five".