12888973 has 4 divisors (see below), whose sum is σ = 13567360. Its totient is φ = 12210588.

The previous prime is 12888971. The next prime is 12888977. The reversal of 12888973 is 37988821.

12888973 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.

It is a cyclic number.

It is not a de Polignac number, because 12888973 - 2¹ = 12888971 is a prime.

It is a super-2 number, since 2×12888973² = 332251249989458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12888971) 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, 339165 + ... + 339202.

It is an arithmetic number, because the mean of its divisors is an integer number (3391840).

Almost surely, 2^12888973 is an apocalyptic number.

It is an amenable number.

12888973 is a deficient number, since it is larger than the sum of its proper divisors (678387).

12888973 is an equidigital number, since it uses as much as digits as its factorization.

12888973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678386.

The product of its digits is 193536, while the sum is 46.

The square root of 12888973 is about 3590.1215856848. The cubic root of 12888973 is about 234.4621652203.

It can be divided in two parts, 12888 and 973, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 12888973 in words is "twelve million, eight hundred eighty-eight thousand, nine hundred seventy-three".