12282534 has 96 divisors (see below), whose sum is σ = 31842720. Its totient is φ = 3379200.

The previous prime is 12282511. The next prime is 12282547. The reversal of 12282534 is 43528221.

12282534 is a `hidden beast` number, since 122 + 8 + 2 + 534 = 666.

It is a super-2 number, since 2×12282534² = 301721282922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12282498 and 12282507.

It is a congruent number.

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, 137962 + ... + 138050.

It is an arithmetic number, because the mean of its divisors is an integer number (331695).

Almost surely, 2^12282534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12282534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15921360).

12282534 is an abundant number, since it is smaller than the sum of its proper divisors (19560186).

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

12282534 is a wasteful number, since it uses less digits than its factorization.

12282534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 163 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 12282534 is about 3504.6446324842. The cubic root of 12282534 is about 230.7257103059.

The spelling of 12282534 in words is "twelve million, two hundred eighty-two thousand, five hundred thirty-four".