12841538 has 4 divisors (see below), whose sum is σ = 19262310. Its totient is φ = 6420768.

The previous prime is 12841523. The next prime is 12841559. The reversal of 12841538 is 83514821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83514821 = 13 ⋅6424217.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 1261129 = 3403^2 + 1123^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3210383 + ... + 3210386.

Almost surely, 2^12841538 is an apocalyptic number.

12841538 is a deficient number, since it is larger than the sum of its proper divisors (6420772).

12841538 is an equidigital number, since it uses as much as digits as its factorization.

12841538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420771.

The product of its digits is 7680, while the sum is 32.

The square root of 12841538 is about 3583.5091739802. The cubic root of 12841538 is about 234.1741830194.

The spelling of 12841538 in words is "twelve million, eight hundred forty-one thousand, five hundred thirty-eight".