12853897 has 4 divisors (see below), whose sum is σ = 14690176. Its totient is φ = 11017620.

The previous prime is 12853877. The next prime is 12853963. The reversal of 12853897 is 79835821.

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 12853897 - 2¹¹ = 12851849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12853807) 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, 918129 + ... + 918142.

It is an arithmetic number, because the mean of its divisors is an integer number (3672544).

Almost surely, 2^12853897 is an apocalyptic number.

It is an amenable number.

12853897 is a deficient number, since it is larger than the sum of its proper divisors (1836279).

12853897 is an equidigital number, since it uses as much as digits as its factorization.

12853897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836278.

The product of its digits is 120960, while the sum is 43.

The square root of 12853897 is about 3585.2331862795. The cubic root of 12853897 is about 234.2492838564.

The spelling of 12853897 in words is "twelve million, eight hundred fifty-three thousand, eight hundred ninety-seven".