12572522 has 8 divisors (see below), whose sum is σ = 18929700. Its totient is φ = 6262624.

The previous prime is 12572479. The next prime is 12572531. The reversal of 12572522 is 22527521.

It can be written as a sum of positive squares in 2 ways, for example, as 9853321 + 2719201 = 3139^2 + 1649^2 .

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 = 12572491 and 12572500.

It is an unprimeable number.

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, 11147 + ... + 12222.

Almost surely, 2^12572522 is an apocalyptic number.

12572522 is a deficient number, since it is larger than the sum of its proper divisors (6357178).

12572522 is a wasteful number, since it uses less digits than its factorization.

12572522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23640.

The product of its digits is 2800, while the sum is 26.

The square root of 12572522 is about 3545.7752325831. The cubic root of 12572522 is about 232.5273995535.

The spelling of 12572522 in words is "twelve million, five hundred seventy-two thousand, five hundred twenty-two".