12693982 has 8 divisors (see below), whose sum is σ = 21761136. Its totient is φ = 5440272.

The previous prime is 12693959. The next prime is 12693991. The reversal of 12693982 is 28939621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12693982² = 322274358032648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453343 + ... + 453370.

It is an arithmetic number, because the mean of its divisors is an integer number (2720142).

Almost surely, 2^12693982 is an apocalyptic number.

12693982 is a deficient number, since it is larger than the sum of its proper divisors (9067154).

12693982 is an equidigital number, since it uses as much as digits as its factorization.

12693982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906722.

The product of its digits is 46656, while the sum is 40.

The square root of 12693982 is about 3562.8614904315. The cubic root of 12693982 is about 233.2737975089.

The spelling of 12693982 in words is "twelve million, six hundred ninety-three thousand, nine hundred eighty-two".