12588426 has 32 divisors (see below), whose sum is σ = 28235520. Its totient is φ = 4156992.

The previous prime is 12588421. The next prime is 12588437. The reversal of 12588426 is 62488521.

It is not an unprimeable number, because it can be changed into a prime (12588421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071 + ... + 7133.

It is an arithmetic number, because the mean of its divisors is an integer number (882360).

Almost surely, 2^12588426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12588426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14117760).

12588426 is an abundant number, since it is smaller than the sum of its proper divisors (15647094).

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

12588426 is a wasteful number, since it uses less digits than its factorization.

12588426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2181 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 12588426 is about 3548.0171927430. The cubic root of 12588426 is about 232.6254058116.

The spelling of 12588426 in words is "twelve million, five hundred eighty-eight thousand, four hundred twenty-six".