12694349 has 2 divisors, whose sum is σ = 12694350. Its totient is φ = 12694348.

The previous prime is 12694343. The next prime is 12694369. The reversal of 12694349 is 94349621.

12694349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 570025 = 3482^2 + 755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12694349 is a prime.

It is a super-2 number, since 2×12694349² = 322292993067602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12694343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347174 + 6347175.

It is an arithmetic number, because the mean of its divisors is an integer number (6347175).

Almost surely, 2^12694349 is an apocalyptic number.

It is an amenable number.

12694349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12694349 is an equidigital number, since it uses as much as digits as its factorization.

12694349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 12694349 is about 3562.9129936051. The cubic root of 12694349 is about 233.2760455731.

The spelling of 12694349 in words is "twelve million, six hundred ninety-four thousand, three hundred forty-nine".