12888347 has 8 divisors (see below), whose sum is σ = 13264944. Its totient is φ = 12515328.

The previous prime is 12888319. The next prime is 12888361. The reversal of 12888347 is 74388821.

12888347 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 12888347 - 2⁶ = 12888283 is a prime.

It is a super-2 number, since 2×12888347² = 332218976784818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12888047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7523 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (1658118).

Almost surely, 2^12888347 is an apocalyptic number.

12888347 is a deficient number, since it is larger than the sum of its proper divisors (376597).

12888347 is a wasteful number, since it uses less digits than its factorization.

12888347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its digits is 86016, while the sum is 41.

The square root of 12888347 is about 3590.0344009494. The cubic root of 12888347 is about 234.4583693220.

The spelling of 12888347 in words is "twelve million, eight hundred eighty-eight thousand, three hundred forty-seven".