12818897 has 8 divisors (see below), whose sum is σ = 15777216. Its totient is φ = 10142352.

The previous prime is 12818887. The next prime is 12818929. The reversal of 12818897 is 79881821.

12818897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12818897 - 2¹² = 12814801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12818807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70343 + ... + 70524.

It is an arithmetic number, because the mean of its divisors is an integer number (1972152).

Almost surely, 2^12818897 is an apocalyptic number.

It is an amenable number.

12818897 is a deficient number, since it is larger than the sum of its proper divisors (2958319).

12818897 is a wasteful number, since it uses less digits than its factorization.

12818897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140887.

The product of its digits is 64512, while the sum is 44.

The square root of 12818897 is about 3580.3487260321. The cubic root of 12818897 is about 234.0364773776.

The spelling of 12818897 in words is "twelve million, eight hundred eighteen thousand, eight hundred ninety-seven".