13812893 has 4 divisors (see below), whose sum is σ = 13890240. Its totient is φ = 13735548.

The previous prime is 13812863. The next prime is 13812907. The reversal of 13812893 is 39821831.

13812893 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, 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 13812893 - 2²⁰ = 12764317 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 (13812833) 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, 38405 + ... + 38762.

It is an arithmetic number, because the mean of its divisors is an integer number (3472560).

Almost surely, 2^13812893 is an apocalyptic number.

It is an amenable number.

13812893 is a deficient number, since it is larger than the sum of its proper divisors (77347).

13812893 is an equidigital number, since it uses as much as digits as its factorization.

13812893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77346.

The product of its digits is 10368, while the sum is 35.

The square root of 13812893 is about 3716.5700585352. The cubic root of 13812893 is about 239.9357061574.

It can be divided in two parts, 138 and 12893, that added together give a palindrome (13031).

The spelling of 13812893 in words is "thirteen million, eight hundred twelve thousand, eight hundred ninety-three".