12125586 has 32 divisors (see below), whose sum is σ = 27107136. Its totient is φ = 3584000.

The previous prime is 12125569. The next prime is 12125587. The reversal of 12125586 is 68552121.

It is not an unprimeable number, because it can be changed into a prime (12125587) 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, 466 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (847098).

Almost surely, 2^12125586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12125586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13553568).

12125586 is an abundant number, since it is smaller than the sum of its proper divisors (14981550).

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

12125586 is a wasteful number, since it uses less digits than its factorization.

12125586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538.

The product of its digits is 4800, while the sum is 30.

The square root of 12125586 is about 3482.1812129756. The cubic root of 12125586 is about 229.7387455744.

The spelling of 12125586 in words is "twelve million, one hundred twenty-five thousand, five hundred eighty-six".