12293889 has 8 divisors (see below), whose sum is σ = 16669920. Its totient is φ = 8056896.

The previous prime is 12293881. The next prime is 12293909. The reversal of 12293889 is 98839221.

12293889 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12293889 - 2³ = 12293881 is a prime.

It is a super-2 number, since 2×12293889² = 302279413488642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12293889.

It is not an unprimeable number, because it can be changed into a prime (12293881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34552 + ... + 34905.

It is an arithmetic number, because the mean of its divisors is an integer number (2083740).

Almost surely, 2^12293889 is an apocalyptic number.

It is an amenable number.

12293889 is a deficient number, since it is larger than the sum of its proper divisors (4376031).

12293889 is an equidigital number, since it uses as much as digits as its factorization.

12293889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69519.

The product of its digits is 62208, while the sum is 42.

The square root of 12293889 is about 3506.2642513079. The cubic root of 12293889 is about 230.7967891106.

The spelling of 12293889 in words is "twelve million, two hundred ninety-three thousand, eight hundred eighty-nine".