12428351 has 8 divisors (see below), whose sum is σ = 13669824. Its totient is φ = 11227680.

The previous prime is 12428329. The next prime is 12428389. The reversal of 12428351 is 15382421.

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 12428351 - 2⁶ = 12428287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12428351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428321) 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, 9560 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (1708728).

Almost surely, 2^12428351 is an apocalyptic number.

12428351 is a deficient number, since it is larger than the sum of its proper divisors (1241473).

12428351 is a wasteful number, since it uses less digits than its factorization.

12428351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401.

The product of its digits is 1920, while the sum is 26.

The square root of 12428351 is about 3525.3866454617. The cubic root of 12428351 is about 231.6351714915.

The spelling of 12428351 in words is "twelve million, four hundred twenty-eight thousand, three hundred fifty-one".