12589340 has 12 divisors (see below), whose sum is σ = 26437656. Its totient is φ = 5035728.

The previous prime is 12589327. The next prime is 12589351. The reversal of 12589340 is 4398521.

It is a junction number, because it is equal to n+sod(n) for n = 12589297 and 12589306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314714 + ... + 314753.

It is an arithmetic number, because the mean of its divisors is an integer number (2203138).

Almost surely, 2^12589340 is an apocalyptic number.

12589340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12589340 is an abundant number, since it is smaller than the sum of its proper divisors (13848316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12589340 is a wasteful number, since it uses less digits than its factorization.

12589340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629476 (or 629474 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12589340 is about 3548.1459947415. The cubic root of 12589340 is about 232.6310357046.

The spelling of 12589340 in words is "twelve million, five hundred eighty-nine thousand, three hundred forty".