12574530 has 48 divisors (see below), whose sum is σ = 33755904. Its totient is φ = 3244320.

The previous prime is 12574519. The next prime is 12574531. The reversal of 12574530 is 3547521.

It is a happy number.

12574530 is a `hidden beast` number, since 125 + 7 + 4 + 530 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12574494 and 12574503.

It is not an unprimeable number, because it can be changed into a prime (12574531) 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, 537 + ... + 5043.

It is an arithmetic number, because the mean of its divisors is an integer number (703248).

Almost surely, 2^12574530 is an apocalyptic number.

12574530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12574530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16877952).

12574530 is an abundant number, since it is smaller than the sum of its proper divisors (21181374).

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

12574530 is a wasteful number, since it uses less digits than its factorization.

12574530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4548 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 12574530 is about 3546.0583751540. The cubic root of 12574530 is about 232.5397781403.

The spelling of 12574530 in words is "twelve million, five hundred seventy-four thousand, five hundred thirty".