12722632 has 32 divisors (see below), whose sum is σ = 26066880. Its totient is φ = 5785920.

The previous prime is 12722627. The next prime is 12722641. The reversal of 12722632 is 23622721.

It is a junction number, because it is equal to n+sod(n) for n = 12722597 and 12722606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523 + ... + 8245.

It is an arithmetic number, because the mean of its divisors is an integer number (814590).

Almost surely, 2^12722632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12722632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13033440).

12722632 is an abundant number, since it is smaller than the sum of its proper divisors (13344248).

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

12722632 is a wasteful number, since it uses less digits than its factorization.

12722632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1809 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 12722632 is about 3566.8798690172. The cubic root of 12722632 is about 233.4491633525.

The spelling of 12722632 in words is "twelve million, seven hundred twenty-two thousand, six hundred thirty-two".