12534786 has 96 divisors (see below), whose sum is σ = 32011200. Its totient is φ = 3507840.

The previous prime is 12534779. The next prime is 12534803. The reversal of 12534786 is 68743521.

Its product of digits (40320) is a multiple of the sum of its prime factors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 12534786.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212425 + ... + 212483.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

Almost surely, 2^12534786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12534786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16005600).

12534786 is an abundant number, since it is smaller than the sum of its proper divisors (19476414).

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

12534786 is a wasteful number, since it uses less digits than its factorization.

12534786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 12534786 is about 3540.4499714019. The cubic root of 12534786 is about 232.2945253654.

The spelling of 12534786 in words is "twelve million, five hundred thirty-four thousand, seven hundred eighty-six".