12841551 has 8 divisors (see below), whose sum is σ = 19024560. Its totient is φ = 8561016.

The previous prime is 12841523. The next prime is 12841559. The reversal of 12841551 is 15514821.

It is not a de Polignac number, because 12841551 - 2¹⁷ = 12710479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 475613 = 12841551 / (1 + 2 + 8 + 4 + 1 + 5 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12841559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237780 + ... + 237833.

It is an arithmetic number, because the mean of its divisors is an integer number (2378070).

Almost surely, 2^12841551 is an apocalyptic number.

12841551 is a deficient number, since it is larger than the sum of its proper divisors (6183009).

12841551 is an equidigital number, since it uses as much as digits as its factorization.

12841551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475622 (or 475616 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 12841551 is about 3583.5109878442. The cubic root of 12841551 is about 234.1742620406.

The spelling of 12841551 in words is "twelve million, eight hundred forty-one thousand, five hundred fifty-one".