12407028 has 24 divisors (see below), whose sum is σ = 30209088. Its totient is φ = 3955776.

The previous prime is 12407023. The next prime is 12407039. The reversal of 12407028 is 82070421.

It is a junction number, because it is equal to n+sod(n) for n = 12406989 and 12407007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22201 + ... + 22752.

It is an arithmetic number, because the mean of its divisors is an integer number (1258712).

Almost surely, 2^12407028 is an apocalyptic number.

It is an amenable number.

12407028 is an abundant number, since it is smaller than the sum of its proper divisors (17802060).

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

12407028 is a wasteful number, since it uses less digits than its factorization.

12407028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44983 (or 44981 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12407028 is about 3522.3611399174. The cubic root of 12407028 is about 231.5026255053.

Adding to 12407028 its reverse (82070421), we get a palindrome (94477449).

The spelling of 12407028 in words is "twelve million, four hundred seven thousand, twenty-eight".