12307851 has 6 divisors (see below), whose sum is σ = 17778020. Its totient is φ = 8205228.

The previous prime is 12307811. The next prime is 12307853. The reversal of 12307851 is 15870321.

12307851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12307851 - 2¹¹ = 12305803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12307853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 683761 + ... + 683778.

Almost surely, 2^12307851 is an apocalyptic number.

12307851 is a deficient number, since it is larger than the sum of its proper divisors (5470169).

12307851 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 12307851 = (25138170)₉.

12307851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367545 (or 1367542 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12307851 is about 3508.2546942889. The cubic root of 12307851 is about 230.8841269651.

The spelling of 12307851 in words is "twelve million, three hundred seven thousand, eight hundred fifty-one".