12845903 has 4 divisors (see below), whose sum is σ = 14681040. Its totient is φ = 11010768.

The previous prime is 12845879. The next prime is 12845909. The reversal of 12845903 is 30954821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30954821 = 1489 ⋅20789.

It is a cyclic number.

It is not a de Polignac number, because 12845903 - 2⁶ = 12845839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12845903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12845909) 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, 917558 + ... + 917571.

It is an arithmetic number, because the mean of its divisors is an integer number (3670260).

Almost surely, 2^12845903 is an apocalyptic number.

12845903 is a deficient number, since it is larger than the sum of its proper divisors (1835137).

12845903 is an equidigital number, since it uses as much as digits as its factorization.

12845903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835136.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12845903 is about 3584.1181621146. The cubic root of 12845903 is about 234.2007129287.

The spelling of 12845903 in words is "twelve million, eight hundred forty-five thousand, nine hundred three".