12585270 has 32 divisors (see below), whose sum is σ = 31982688. Its totient is φ = 3158528.

The previous prime is 12585259. The next prime is 12585271. The reversal of 12585270 is 7258521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12585271) 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, 11829 + ... + 12848.

It is an arithmetic number, because the mean of its divisors is an integer number (999459).

Almost surely, 2^12585270 is an apocalyptic number.

12585270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12585270 is an abundant number, since it is smaller than the sum of its proper divisors (19397418).

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

12585270 is a wasteful number, since it uses less digits than its factorization.

12585270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24704.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 12585270 is about 3547.5724094090. The cubic root of 12585270 is about 232.6059639544.

The spelling of 12585270 in words is "twelve million, five hundred eighty-five thousand, two hundred seventy".