12697448 has 16 divisors (see below), whose sum is σ = 23893380. Its totient is φ = 6325888.

The previous prime is 12697441. The next prime is 12697459. The reversal of 12697448 is 84479621.

It can be written as a sum of positive squares in 2 ways, for example, as 12687844 + 9604 = 3562^2 + 98^2 .

It is a super-2 number, since 2×12697448² = 322450371425408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12697441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365 + ... + 5052.

Almost surely, 2^12697448 is an apocalyptic number.

It is an amenable number.

12697448 is a deficient number, since it is larger than the sum of its proper divisors (11195932).

12697448 is a wasteful number, since it uses less digits than its factorization.

12697448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5712 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 12697448 is about 3563.3478640178. The cubic root of 12697448 is about 233.2950268181.

The spelling of 12697448 in words is "twelve million, six hundred ninety-seven thousand, four hundred forty-eight".