12693984 has 24 divisors (see below), whose sum is σ = 33321960. Its totient is φ = 4231296.

The previous prime is 12693959. The next prime is 12693991. The reversal of 12693984 is 48939621.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12693984² = 322274459584512, which contains 22 as substring.

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, 66019 + ... + 66210.

It is an arithmetic number, because the mean of its divisors is an integer number (1388415).

Almost surely, 2^12693984 is an apocalyptic number.

It is an amenable number.

12693984 is an abundant number, since it is smaller than the sum of its proper divisors (20627976).

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

12693984 is a wasteful number, since it uses less digits than its factorization.

12693984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132242 (or 132234 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 12693984 is about 3562.8617711048. The cubic root of 12693984 is about 233.2738097601.

It can be divided in two parts, 1269 and 3984, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 12693984 in words is "twelve million, six hundred ninety-three thousand, nine hundred eighty-four".