12428361 has 12 divisors (see below), whose sum is σ = 19584240. Its totient is φ = 7532280.

The previous prime is 12428329. The next prime is 12428389. The reversal of 12428361 is 16382421.

12428361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12428361 - 2⁵ = 12428329 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 62671 + ... + 62868.

It is an arithmetic number, because the mean of its divisors is an integer number (1632020).

Almost surely, 2^12428361 is an apocalyptic number.

12428361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12428361 is a deficient number, since it is larger than the sum of its proper divisors (7155879).

12428361 is a wasteful number, since it uses less digits than its factorization.

12428361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125556 (or 125553 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12428361 is about 3525.3880637456. The cubic root of 12428361 is about 231.6352336169.

The spelling of 12428361 in words is "twelve million, four hundred twenty-eight thousand, three hundred sixty-one".