12338487 has 40 divisors (see below), whose sum is σ = 21559296. Its totient is φ = 6885648.

The previous prime is 12338483. The next prime is 12338503. The reversal of 12338487 is 78483321.

It is not a de Polignac number, because 12338487 - 2² = 12338483 is a prime.

It is a super-4 number, since 4×12338487⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12338483) 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 39 ways as a sum of consecutive naturals, for example, 26418 + ... + 26880.

Almost surely, 2^12338487 is an apocalyptic number.

12338487 is a deficient number, since it is larger than the sum of its proper divisors (9220809).

12338487 is an equidigital number, since it uses as much as digits as its factorization.

12338487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 520 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 12338487 is about 3512.6182542371. The cubic root of 12338487 is about 231.0755361001.

The spelling of 12338487 in words is "twelve million, three hundred thirty-eight thousand, four hundred eighty-seven".