12853819 has 8 divisors (see below), whose sum is σ = 14847408. Its totient is φ = 10997760.

The previous prime is 12853817. The next prime is 12853843. The reversal of 12853819 is 91835821.

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 12853819 - 2¹ = 12853817 is a prime.

It is a super-2 number, since 2×12853819² = 330441325769522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12853817) 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, 34182 + ... + 34555.

It is an arithmetic number, because the mean of its divisors is an integer number (1855926).

Almost surely, 2^12853819 is an apocalyptic number.

12853819 is a deficient number, since it is larger than the sum of its proper divisors (1993589).

12853819 is a wasteful number, since it uses less digits than its factorization.

12853819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68765.

The product of its digits is 17280, while the sum is 37.

The square root of 12853819 is about 3585.2223083095. Note that the first 3 decimals coincide. The cubic root of 12853819 is about 234.2488100317.

The spelling of 12853819 in words is "twelve million, eight hundred fifty-three thousand, eight hundred nineteen".