12346428 has 24 divisors (see below), whose sum is σ = 30325120. Its totient is φ = 3898800.

The previous prime is 12346427. The next prime is 12346429. The reversal of 12346428 is 82464321.

12346428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12346427) and next prime (12346429).

It is a junction number, because it is equal to n+sod(n) for n = 12346395 and 12346404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12346427) 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, 26848 + ... + 27303.

Almost surely, 2^12346428 is an apocalyptic number.

It is an amenable number.

12346428 is an abundant number, since it is smaller than the sum of its proper divisors (17978692).

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

12346428 is a wasteful number, since it uses less digits than its factorization.

12346428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54177 (or 54175 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 12346428 is about 3513.7484258268. The cubic root of 12346428 is about 231.1250985603.

The spelling of 12346428 in words is "twelve million, three hundred forty-six thousand, four hundred twenty-eight".