12626720 has 48 divisors (see below), whose sum is σ = 30413880. Its totient is φ = 4952064.

The previous prime is 12626693. The next prime is 12626743. The reversal of 12626720 is 2762621.

It can be written as a sum of positive squares in 4 ways, for example, as 9709456 + 2917264 = 3116^2 + 1708^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12626720.

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, 7736 + ... + 9224.

Almost surely, 2^12626720 is an apocalyptic number.

12626720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12626720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15206940).

12626720 is an abundant number, since it is smaller than the sum of its proper divisors (17787160).

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

12626720 is a wasteful number, since it uses less digits than its factorization.

12626720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12626720 is about 3553.4096302003. The cubic root of 12626720 is about 232.8610492418.

The spelling of 12626720 in words is "twelve million, six hundred twenty-six thousand, seven hundred twenty".