12880873 has 4 divisors (see below), whose sum is σ = 12888720. Its totient is φ = 12873028.

The previous prime is 12880859. The next prime is 12880913. The reversal of 12880873 is 37808821.

12880873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37808821 = 47 ⋅804443.

It is a cyclic number.

It is not a de Polignac number, because 12880873 - 2¹³ = 12872681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12880823) 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, 415 + ... + 5092.

It is an arithmetic number, because the mean of its divisors is an integer number (3222180).

Almost surely, 2^12880873 is an apocalyptic number.

It is an amenable number.

12880873 is a deficient number, since it is larger than the sum of its proper divisors (7847).

12880873 is an equidigital number, since it uses as much as digits as its factorization.

12880873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 12880873 is about 3588.9933128943. The cubic root of 12880873 is about 234.4130394673.

It can be divided in two parts, 128808 and 73, that added together give a square (128881 = 359²).

The spelling of 12880873 in words is "twelve million, eight hundred eighty thousand, eight hundred seventy-three".