12694547053 has 4 divisors (see below), whose sum is σ = 12700562688. Its totient is φ = 12688531420.

The previous prime is 12694546993. The next prime is 12694547057. The reversal of 12694547053 is 35074549621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12694547053 - 2⁹ = 12694546541 is a prime.

It is a super-2 number, since 2×12694547053² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12694546994 and 12694547012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694547057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3004651 + ... + 3008872.

It is an arithmetic number, because the mean of its divisors is an integer number (3175140672).

Almost surely, 2^12694547053 is an apocalyptic number.

It is an amenable number.

12694547053 is a deficient number, since it is larger than the sum of its proper divisors (6015635).

12694547053 is an equidigital number, since it uses as much as digits as its factorization.

12694547053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015634.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 12694547053 in words is "twelve billion, six hundred ninety-four million, five hundred forty-seven thousand, fifty-three".