12679447 has 4 divisors (see below), whose sum is σ = 13832136. Its totient is φ = 11526760.

The previous prime is 12679427. The next prime is 12679451. The reversal of 12679447 is 74497621.

12679447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12679447 - 2¹⁵ = 12646679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12679427) 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, 576328 + ... + 576349.

It is an arithmetic number, because the mean of its divisors is an integer number (3458034).

Almost surely, 2^12679447 is an apocalyptic number.

12679447 is a deficient number, since it is larger than the sum of its proper divisors (1152689).

12679447 is a wasteful number, since it uses less digits than its factorization.

12679447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152688.

The product of its digits is 84672, while the sum is 40.

The square root of 12679447 is about 3560.8211131704. The cubic root of 12679447 is about 233.1847282792.

The spelling of 12679447 in words is "twelve million, six hundred seventy-nine thousand, four hundred forty-seven".