12928349 has 8 divisors (see below), whose sum is σ = 14810880. Its totient is φ = 11054736.

The previous prime is 12928327. The next prime is 12928393. The reversal of 12928349 is 94382921.

12928349 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 12928349 - 2²⁰ = 11879773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928549) 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, 1247 + ... + 5235.

It is an arithmetic number, because the mean of its divisors is an integer number (1851360).

Almost surely, 2^12928349 is an apocalyptic number.

It is an amenable number.

12928349 is a deficient number, since it is larger than the sum of its proper divisors (1882531).

12928349 is an equidigital number, since it uses as much as digits as its factorization.

12928349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459.

The product of its digits is 31104, while the sum is 38.

The square root of 12928349 is about 3595.6013405271. The cubic root of 12928349 is about 234.7006842670.

The spelling of 12928349 in words is "twelve million, nine hundred twenty-eight thousand, three hundred forty-nine".