12351889 has 4 divisors (see below), whose sum is σ = 13474800. Its totient is φ = 11228980.

The previous prime is 12351869. The next prime is 12351901. The reversal of 12351889 is 98815321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12351889 - 2¹³ = 12343697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351869) 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 3 ways as a sum of consecutive naturals, for example, 561439 + ... + 561460.

It is an arithmetic number, because the mean of its divisors is an integer number (3368700).

Almost surely, 2^12351889 is an apocalyptic number.

It is an amenable number.

12351889 is a deficient number, since it is larger than the sum of its proper divisors (1122911).

12351889 is a wasteful number, since it uses less digits than its factorization.

12351889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122910.

The product of its digits is 17280, while the sum is 37.

The square root of 12351889 is about 3514.5254302679. The cubic root of 12351889 is about 231.1591701724.

The spelling of 12351889 in words is "twelve million, three hundred fifty-one thousand, eight hundred eighty-nine".