12428090 has 32 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 4667328.

The previous prime is 12428089. The next prime is 12428113. The reversal of 12428090 is 9082421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28091 + ... + 28529.

It is an arithmetic number, because the mean of its divisors is an integer number (742500).

Almost surely, 2^12428090 is an apocalyptic number.

12428090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12428090 is a deficient number, since it is larger than the sum of its proper divisors (11331910).

12428090 is a wasteful number, since it uses less digits than its factorization.

12428090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12428090 is about 3525.3496280511. The cubic root of 12428090 is about 231.6335500052.

The spelling of 12428090 in words is "twelve million, four hundred twenty-eight thousand, ninety".