12922680 has 64 divisors (see below), whose sum is σ = 39152160. Its totient is φ = 3411968.

The previous prime is 12922633. The next prime is 12922681. The reversal of 12922680 is 8622921.

12922680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12922681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13084 + ... + 14036.

Almost surely, 2^12922680 is an apocalyptic number.

12922680 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 12922680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19576080).

12922680 is an abundant number, since it is smaller than the sum of its proper divisors (26229480).

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

12922680 is a wasteful number, since it uses less digits than its factorization.

12922680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12922680 is about 3594.8129297642. The cubic root of 12922680 is about 234.6663743253. Note that the first 3 decimals are identical.

The spelling of 12922680 in words is "twelve million, nine hundred twenty-two thousand, six hundred eighty".