12722460 has 48 divisors (see below), whose sum is σ = 37721376. Its totient is φ = 3192832.

The previous prime is 12722459. The next prime is 12722497. The reversal of 12722460 is 6422721.

It is a self number, because there is not a number n which added to its sum of digits gives 12722460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5217 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (785862).

Almost surely, 2^12722460 is an apocalyptic number.

12722460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12722460 is an abundant number, since it is smaller than the sum of its proper divisors (24998916).

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

12722460 is a wasteful number, since it uses less digits than its factorization.

12722460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12502 (or 12500 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 12722460 is about 3566.8557582274. The cubic root of 12722460 is about 233.4481113312.

The spelling of 12722460 in words is "twelve million, seven hundred twenty-two thousand, four hundred sixty".