12572530 has 8 divisors (see below), whose sum is σ = 22630572. Its totient is φ = 5029008.

The previous prime is 12572479. The next prime is 12572531. The reversal of 12572530 is 3527521.

It can be written as a sum of positive squares in 2 ways, for example, as 12341169 + 231361 = 3513^2 + 481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12572495 and 12572504.

It is not an unprimeable number, because it can be changed into a prime (12572531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628617 + ... + 628636.

Almost surely, 2^12572530 is an apocalyptic number.

12572530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12572530 is a deficient number, since it is larger than the sum of its proper divisors (10058042).

12572530 is a wasteful number, since it uses less digits than its factorization.

12572530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257260.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 12572530 is about 3545.7763606860. The cubic root of 12572530 is about 232.5274488732.

The spelling of 12572530 in words is "twelve million, five hundred seventy-two thousand, five hundred thirty".