12698224 has 60 divisors (see below), whose sum is σ = 30938992. Its totient is φ = 4942080.

The previous prime is 12698219. The next prime is 12698239. The reversal of 12698224 is 42289621.

It is a super-2 number, since 2×12698224² = 322489785508352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12698224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13084 + ... + 14020.

Almost surely, 2^12698224 is an apocalyptic number.

12698224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12698224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15469496).

12698224 is an abundant number, since it is smaller than the sum of its proper divisors (18240768).

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

12698224 is a wasteful number, since it uses less digits than its factorization.

12698224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 957 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 12698224 is about 3563.4567487203. The cubic root of 12698224 is about 233.2997793020.

The spelling of 12698224 in words is "twelve million, six hundred ninety-eight thousand, two hundred twenty-four".