13144873 has 4 divisors (see below), whose sum is σ = 15022720. Its totient is φ = 11267028.

The previous prime is 13144867. The next prime is 13144877. The reversal of 13144873 is 37844131.

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 13144873 - 2⁵ = 13144841 is a prime.

It is a super-2 number, since 2×13144873² = 345575372372258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144877) 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, 938913 + ... + 938926.

It is an arithmetic number, because the mean of its divisors is an integer number (3755680).

Almost surely, 2^13144873 is an apocalyptic number.

It is an amenable number.

13144873 is a deficient number, since it is larger than the sum of its proper divisors (1877847).

13144873 is an equidigital number, since it uses as much as digits as its factorization.

13144873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877846.

The product of its digits is 8064, while the sum is 31.

The square root of 13144873 is about 3625.5858836883. The cubic root of 13144873 is about 236.0036926072.

The spelling of 13144873 in words is "thirteen million, one hundred forty-four thousand, eight hundred seventy-three".