12698328 has 16 divisors (see below), whose sum is σ = 31745880. Its totient is φ = 4232768.

The previous prime is 12698321. The next prime is 12698339. The reversal of 12698328 is 82389621.

It is a happy number.

It is a super-2 number, since 2×12698328² = 322495067991168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12698321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264525 + ... + 264572.

Almost surely, 2^12698328 is an apocalyptic number.

It is an amenable number.

12698328 is an abundant number, since it is smaller than the sum of its proper divisors (19047552).

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

12698328 is a wasteful number, since it uses less digits than its factorization.

12698328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529106 (or 529102 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 12698328 is about 3563.4713412626. The cubic root of 12698328 is about 233.3004162182.

The spelling of 12698328 in words is "twelve million, six hundred ninety-eight thousand, three hundred twenty-eight".