12589431 has 8 divisors (see below), whose sum is σ = 16809600. Its totient is φ = 8381112.

The previous prime is 12589417. The next prime is 12589439. The reversal of 12589431 is 13498521.

12589431 is digitally balanced in base 3, because in such base 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 12589431 - 2⁵ = 12589399 is a prime.

It is a super-2 number, since 2×12589431² = 316987545807522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12589392 and 12589401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12589439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (2101200).

Almost surely, 2^12589431 is an apocalyptic number.

12589431 is a deficient number, since it is larger than the sum of its proper divisors (4220169).

12589431 is an equidigital number, since it uses as much as digits as its factorization.

12589431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925.

The product of its digits is 8640, while the sum is 33.

The square root of 12589431 is about 3548.1588183169. The cubic root of 12589431 is about 232.6315962152.

The spelling of 12589431 in words is "twelve million, five hundred eighty-nine thousand, four hundred thirty-one".