12428034437 has 8 divisors (see below), whose sum is σ = 15296042496. Its totient is φ = 9833170032.

The previous prime is 12428034403. The next prime is 12428034449. The reversal of 12428034437 is 73443082421.

It is a happy number.

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

It is not a de Polignac number, because 12428034437 - 2⁶ = 12428034373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12428034437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428034457) 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, 68285813 + ... + 68285994.

It is an arithmetic number, because the mean of its divisors is an integer number (1912005312).

Almost surely, 2^12428034437 is an apocalyptic number.

It is an amenable number.

12428034437 is a deficient number, since it is larger than the sum of its proper divisors (2868008059).

12428034437 is a wasteful number, since it uses less digits than its factorization.

12428034437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136571827.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 12428034437 in words is "twelve billion, four hundred twenty-eight million, thirty-four thousand, four hundred thirty-seven".