12694071 has 32 divisors (see below), whose sum is σ = 19747840. Its totient is φ = 7185024.

The previous prime is 12694063. The next prime is 12694111. The reversal of 12694071 is 17049621.

It is a happy number.

12694071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12694071 - 2³ = 12694063 is a prime.

It is a super-2 number, since 2×12694071² = 322278877106082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27186 + ... + 27648.

It is an arithmetic number, because the mean of its divisors is an integer number (617120).

Almost surely, 2^12694071 is an apocalyptic number.

12694071 is a deficient number, since it is larger than the sum of its proper divisors (7053769).

12694071 is a wasteful number, since it uses less digits than its factorization.

12694071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 12694071 is about 3562.8739803703. The cubic root of 12694071 is about 233.2743426838.

The spelling of 12694071 in words is "twelve million, six hundred ninety-four thousand, seventy-one".