12728088 has 24 divisors (see below), whose sum is σ = 34472100. Its totient is φ = 4242672.

The previous prime is 12728083. The next prime is 12728113. The reversal of 12728088 is 88082721.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88318 + ... + 88461.

Almost surely, 2^12728088 is an apocalyptic number.

12728088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12728088 is an abundant number, since it is smaller than the sum of its proper divisors (21744012).

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

12728088 is a wasteful number, since it uses less digits than its factorization.

12728088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176791 (or 176784 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 12728088 is about 3567.6446011339. The cubic root of 12728088 is about 233.4825295251.

The spelling of 12728088 in words is "twelve million, seven hundred twenty-eight thousand, eighty-eight".