12919682 has 4 divisors (see below), whose sum is σ = 19379526. Its totient is φ = 6459840.

The previous prime is 12919681. The next prime is 12919693. The reversal of 12919682 is 28691921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10426441 + 2493241 = 3229^2 + 1579^2 .

It is a super-2 number, since 2×12919682² = 333836365962248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12919681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3229919 + ... + 3229922.

Almost surely, 2^12919682 is an apocalyptic number.

12919682 is a deficient number, since it is larger than the sum of its proper divisors (6459844).

12919682 is an equidigital number, since it uses as much as digits as its factorization.

12919682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459843.

The product of its digits is 15552, while the sum is 38.

The square root of 12919682 is about 3594.3959158668. The cubic root of 12919682 is about 234.6482257626.

The spelling of 12919682 in words is "twelve million, nine hundred nineteen thousand, six hundred eighty-two".