12926984 has 40 divisors (see below), whose sum is σ = 28318110. Its totient is φ = 5531904.

The previous prime is 12926981. The next prime is 12926993. The reversal of 12926984 is 48962921.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 1162084 = 3430^2 + 1078^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12926981) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18872 + ... + 19544.

Almost surely, 2^12926984 is an apocalyptic number.

12926984 is a gapful number since it is divisible by the number (14) 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 12926984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14159055).

12926984 is an abundant number, since it is smaller than the sum of its proper divisors (15391126).

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

12926984 is an frugal number, since it uses more digits than its factorization.

12926984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 682 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 12926984 is about 3595.4115202575. The cubic root of 12926984 is about 234.6924239261.

The spelling of 12926984 in words is "twelve million, nine hundred twenty-six thousand, nine hundred eighty-four".