12534500 has 96 divisors (see below), whose sum is σ = 31135104. Its totient is φ = 4368000.

The previous prime is 12534461. The next prime is 12534523. The reversal of 12534500 is 543521.

It is a super-2 number, since 2×12534500² = 314227380500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236474 + ... + 236526.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

Almost surely, 2^12534500 is an apocalyptic number.

12534500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12534500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15567552).

12534500 is an abundant number, since it is smaller than the sum of its proper divisors (18600604).

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

12534500 is a wasteful number, since it uses less digits than its factorization.

12534500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 12534500 is about 3540.4095808254. The cubic root of 12534500 is about 232.2927586356.

The spelling of 12534500 in words is "twelve million, five hundred thirty-four thousand, five hundred".