12873615 has 8 divisors (see below), whose sum is σ = 20597808. Its totient is φ = 6865920.

The previous prime is 12873611. The next prime is 12873673. The reversal of 12873615 is 51637821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12873615 - 2² = 12873611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12873611) 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, 429106 + ... + 429135.

It is an arithmetic number, because the mean of its divisors is an integer number (2574726).

Almost surely, 2^12873615 is an apocalyptic number.

12873615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12873615 is a deficient number, since it is larger than the sum of its proper divisors (7724193).

12873615 is an equidigital number, since it uses as much as digits as its factorization.

12873615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858249.

The product of its digits is 10080, while the sum is 33.

The square root of 12873615 is about 3587.9820233663. The cubic root of 12873615 is about 234.3690028688.

The spelling of 12873615 in words is "twelve million, eight hundred seventy-three thousand, six hundred fifteen".