12306889 has 12 divisors (see below), whose sum is σ = 15070800. Its totient is φ = 9992808.

The previous prime is 12306883. The next prime is 12306949. The reversal of 12306889 is 98860321.

It is not a de Polignac number, because 12306889 - 2³ = 12306881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12306881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5679 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (1255900).

Almost surely, 2^12306889 is an apocalyptic number.

12306889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12306889 is a deficient number, since it is larger than the sum of its proper divisors (2763911).

12306889 is a wasteful number, since it uses less digits than its factorization.

12306889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13252 (or 13245 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12306889 is about 3508.1175863987. The cubic root of 12306889 is about 230.8781113924.

The spelling of 12306889 in words is "twelve million, three hundred six thousand, eight hundred eighty-nine".