12594390 has 48 divisors (see below), whose sum is σ = 31146768. Its totient is φ = 3258112.

The previous prime is 12594389. The next prime is 12594391. The reversal of 12594390 is 9349521.

It is an interprime number because it is at equal distance from previous prime (12594389) and next prime (12594391).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12594391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141466 + ... + 141554.

It is an arithmetic number, because the mean of its divisors is an integer number (648891).

Almost surely, 2^12594390 is an apocalyptic number.

12594390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12594390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15573384).

12594390 is an abundant number, since it is smaller than the sum of its proper divisors (18552378).

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

12594390 is an equidigital number, since it uses as much as digits as its factorization.

12594390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 12594390 is about 3548.8575626531. The cubic root of 12594390 is about 232.6621368766.

The spelling of 12594390 in words is "twelve million, five hundred ninety-four thousand, three hundred ninety".