12997848 has 16 divisors (see below), whose sum is σ = 32494680. Its totient is φ = 4332608.

The previous prime is 12997847. The next prime is 12997849. The reversal of 12997848 is 84879921.

It is an interprime number because it is at equal distance from previous prime (12997847) and next prime (12997849).

It is a super-2 number, since 2×12997848² = 337888105262208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12997797 and 12997806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270765 + ... + 270812.

Almost surely, 2^12997848 is an apocalyptic number.

It is an amenable number.

12997848 is an abundant number, since it is smaller than the sum of its proper divisors (19496832).

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

12997848 is a wasteful number, since it uses less digits than its factorization.

12997848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541586 (or 541582 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 12997848 is about 3605.2528344070. The cubic root of 12997848 is about 235.1204935119.

The spelling of 12997848 in words is "twelve million, nine hundred ninety-seven thousand, eight hundred forty-eight".