12928090 has 16 divisors (see below), whose sum is σ = 26595072. Its totient is φ = 4432464.

The previous prime is 12928087. The next prime is 12928103. The reversal of 12928090 is 9082921.

It is a super-2 number, since 2×12928090² = 334271022096200, which contains 22 as substring.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92274 + ... + 92413.

It is an arithmetic number, because the mean of its divisors is an integer number (1662192).

Almost surely, 2^12928090 is an apocalyptic number.

12928090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12928090 is an abundant number, since it is smaller than the sum of its proper divisors (13666982).

12928090 is a wasteful number, since it uses less digits than its factorization.

12928090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184701.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 12928090 is about 3595.5653241180. The cubic root of 12928090 is about 234.6991169649.

The spelling of 12928090 in words is "twelve million, nine hundred twenty-eight thousand, ninety".