12775903 has 4 divisors (see below), whose sum is σ = 14601040. Its totient is φ = 10950768.

The previous prime is 12775871. The next prime is 12775913. The reversal of 12775903 is 30957721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30957721 = 43 ⋅719947.

It is a cyclic number.

It is not a de Polignac number, because 12775903 - 2⁵ = 12775871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775913) 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, 912558 + ... + 912571.

It is an arithmetic number, because the mean of its divisors is an integer number (3650260).

Almost surely, 2^12775903 is an apocalyptic number.

12775903 is a deficient number, since it is larger than the sum of its proper divisors (1825137).

12775903 is an equidigital number, since it uses as much as digits as its factorization.

12775903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825136.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 12775903 is about 3574.3395194077. The cubic root of 12775903 is about 233.7745350627.

The spelling of 12775903 in words is "twelve million, seven hundred seventy-five thousand, nine hundred three".