12703289 has 4 divisors (see below), whose sum is σ = 12714240. Its totient is φ = 12692340.

The previous prime is 12703283. The next prime is 12703303. The reversal of 12703289 is 98230721.

12703289 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12703289 is a prime.

It is a super-2 number, since 2×12703289² = 322747102835042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12703283) 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, 3497 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (3178560).

Almost surely, 2^12703289 is an apocalyptic number.

It is an amenable number.

12703289 is a deficient number, since it is larger than the sum of its proper divisors (10951).

12703289 is an equidigital number, since it uses as much as digits as its factorization.

12703289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10950.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 12703289 is about 3564.1673641960. The cubic root of 12703289 is about 233.3307943034.

The spelling of 12703289 in words is "twelve million, seven hundred three thousand, two hundred eighty-nine".