12626816 has 32 divisors (see below), whose sum is σ = 26254800. Its totient is φ = 6037504.

The previous prime is 12626797. The next prime is 12626833. The reversal of 12626816 is 61862621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800 + ... + 5088.

Almost surely, 2^12626816 is an apocalyptic number.

12626816 is a gapful number since it is divisible by the number (16) 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 12626816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13127400).

12626816 is an abundant number, since it is smaller than the sum of its proper divisors (13627984).

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

12626816 is an equidigital number, since it uses as much as digits as its factorization.

12626816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4314 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 12626816 is about 3553.4231383273. The cubic root of 12626816 is about 232.8616393820.

The spelling of 12626816 in words is "twelve million, six hundred twenty-six thousand, eight hundred sixteen".