12897024 has 72 divisors (see below), whose sum is σ = 39244800. Its totient is φ = 3683328.

The previous prime is 12897019. The next prime is 12897037. The reversal of 12897024 is 42079821.

It is a happy number.

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, 4177 + ... + 6575.

Almost surely, 2^12897024 is an apocalyptic number.

12897024 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 12897024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19622400).

12897024 is an abundant number, since it is smaller than the sum of its proper divisors (26347776).

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

12897024 is an equidigital number, since it uses as much as digits as its factorization.

12897024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12897024 is about 3591.2426818582. The cubic root of 12897024 is about 234.5109734016.

The spelling of 12897024 in words is "twelve million, eight hundred ninety-seven thousand, twenty-four".