12712694 has 4 divisors (see below), whose sum is σ = 19069044. Its totient is φ = 6356346.

The previous prime is 12712669. The next prime is 12712699. The reversal of 12712694 is 49621721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49621721 = 1163 ⋅42667.

It is a super-2 number, since 2×12712694² = 323225177475272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12712694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3178172 + ... + 3178175.

It is an arithmetic number, because the mean of its divisors is an integer number (4767261).

Almost surely, 2^12712694 is an apocalyptic number.

12712694 is a deficient number, since it is larger than the sum of its proper divisors (6356350).

12712694 is an equidigital number, since it uses as much as digits as its factorization.

12712694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356349.

The product of its digits is 6048, while the sum is 32.

The square root of 12712694 is about 3565.4865025688. The cubic root of 12712694 is about 233.3883629844.

It can be divided in two parts, 127 and 12694, that added together give a palindrome (12821).

The spelling of 12712694 in words is "twelve million, seven hundred twelve thousand, six hundred ninety-four".