12589240 has 32 divisors (see below), whose sum is σ = 28427760. Its totient is φ = 5017600.

The previous prime is 12589237. The next prime is 12589253. The reversal of 12589240 is 4298521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19320 + ... + 19960.

Almost surely, 2^12589240 is an apocalyptic number.

12589240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12589240 is an abundant number, since it is smaller than the sum of its proper divisors (15838520).

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

12589240 is a wasteful number, since it uses less digits than its factorization.

12589240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12589240 is about 3548.1319028469. The cubic root of 12589240 is about 232.6304197559.

The spelling of 12589240 in words is "twelve million, five hundred eighty-nine thousand, two hundred forty".