12682428 has 24 divisors (see below), whose sum is σ = 32282880. Its totient is φ = 3843120.

The previous prime is 12682421. The next prime is 12682429. The reversal of 12682428 is 82428621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12682421) 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, 47908 + ... + 48171.

It is an arithmetic number, because the mean of its divisors is an integer number (1345120).

Almost surely, 2^12682428 is an apocalyptic number.

It is an amenable number.

12682428 is an abundant number, since it is smaller than the sum of its proper divisors (19600452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12682428 is a wasteful number, since it uses less digits than its factorization.

12682428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96097 (or 96095 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 12682428 is about 3561.2396717997. The cubic root of 12682428 is about 233.2030011373.

The spelling of 12682428 in words is "twelve million, six hundred eighty-two thousand, four hundred twenty-eight".