12773139 has 8 divisors (see below), whose sum is σ = 17099712. Its totient is φ = 8481000.

The previous prime is 12773129. The next prime is 12773161. The reversal of 12773139 is 93137721.

It is a happy number.

12773139 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 not a de Polignac number, because 12773139 - 2⁷ = 12773011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12773129) 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, 7729 + ... + 9234.

It is an arithmetic number, because the mean of its divisors is an integer number (2137464).

Almost surely, 2^12773139 is an apocalyptic number.

12773139 is a deficient number, since it is larger than the sum of its proper divisors (4326573).

12773139 is a wasteful number, since it uses less digits than its factorization.

12773139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217.

The product of its digits is 7938, while the sum is 33.

The square root of 12773139 is about 3573.9528536342. The cubic root of 12773139 is about 233.7576752129.

The spelling of 12773139 in words is "twelve million, seven hundred seventy-three thousand, one hundred thirty-nine".