12530722 has 8 divisors (see below), whose sum is σ = 19613376. Its totient is φ = 5992932.

The previous prime is 12530701. The next prime is 12530729. The reversal of 12530722 is 22703521.

12530722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12530693 and 12530702.

It is not an unprimeable number, because it can be changed into a prime (12530729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136158 + ... + 136249.

It is an arithmetic number, because the mean of its divisors is an integer number (2451672).

Almost surely, 2^12530722 is an apocalyptic number.

12530722 is a deficient number, since it is larger than the sum of its proper divisors (7082654).

12530722 is a wasteful number, since it uses less digits than its factorization.

12530722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272432.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12530722 is about 3539.8759865283. The cubic root of 12530722 is about 232.2694179830.

The spelling of 12530722 in words is "twelve million, five hundred thirty thousand, seven hundred twenty-two".