12587274 has 48 divisors (see below), whose sum is σ = 31367232. Its totient is φ = 3573504.

The previous prime is 12587273. The next prime is 12587297. The reversal of 12587274 is 47278521.

12587274 is a `hidden beast` number, since 1 + 2 + 587 + 2 + 74 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12587273) 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, 35482 + ... + 35834.

It is an arithmetic number, because the mean of its divisors is an integer number (653484).

Almost surely, 2^12587274 is an apocalyptic number.

12587274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12587274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15683616).

12587274 is an abundant number, since it is smaller than the sum of its proper divisors (18779958).

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

12587274 is a wasteful number, since it uses less digits than its factorization.

12587274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12587274 is about 3547.8548448323. The cubic root of 12587274 is about 232.6183095407.

The spelling of 12587274 in words is "twelve million, five hundred eighty-seven thousand, two hundred seventy-four".