12889751 has 8 divisors (see below), whose sum is σ = 14785824. Its totient is φ = 11007360.

The previous prime is 12889691. The next prime is 12889777. The reversal of 12889751 is 15798821.

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

It is not a de Polignac number, because 12889751 - 2¹⁸ = 12627607 is a prime.

It is a super-2 number, since 2×12889751² = 332291361684002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12889699 and 12889708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (1848228).

Almost surely, 2^12889751 is an apocalyptic number.

12889751 is a deficient number, since it is larger than the sum of its proper divisors (1896073).

12889751 is an equidigital number, since it uses as much as digits as its factorization.

12889751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841.

The product of its digits is 40320, while the sum is 41.

The square root of 12889751 is about 3590.2299369260. The cubic root of 12889751 is about 234.4668826350.

The spelling of 12889751 in words is "twelve million, eight hundred eighty-nine thousand, seven hundred fifty-one".