12894547 has 4 divisors (see below), whose sum is σ = 12901896. Its totient is φ = 12887200.

The previous prime is 12894533. The next prime is 12894593. The reversal of 12894547 is 74549821.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74549821 = 1559 ⋅47819.

It is a cyclic number.

It is not a de Polignac number, because 12894547 - 2¹¹ = 12892499 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12891547) 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, 672 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (3225474).

It is a vampire number, since it can be written as 2897 ⋅ 4451 (with its own digits).

Almost surely, 2^12894547 is an apocalyptic number.

12894547 is a deficient number, since it is larger than the sum of its proper divisors (7349).

12894547 is an equidigital number, since it uses as much as digits as its factorization.

12894547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348.

The product of its digits is 80640, while the sum is 40.

The square root of 12894547 is about 3590.8977986013. The cubic root of 12894547 is about 234.4959590625.

The spelling of 12894547 in words is "twelve million, eight hundred ninety-four thousand, five hundred forty-seven".