12849541 has 2 divisors, whose sum is σ = 12849542. Its totient is φ = 12849540.

The previous prime is 12849539. The next prime is 12849601. The reversal of 12849541 is 14594821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11249316 + 1600225 = 3354^2 + 1265^2 .

It is an emirp because it is prime and its reverse (14594821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12849541 - 2¹ = 12849539 is a prime.

It is a super-2 number, since 2×12849541² = 330221407821362, which contains 22 as substring.

Together with 12849539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12849497 and 12849506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12849511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6424770 + 6424771.

It is an arithmetic number, because the mean of its divisors is an integer number (6424771).

Almost surely, 2^12849541 is an apocalyptic number.

It is an amenable number.

12849541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12849541 is an equidigital number, since it uses as much as digits as its factorization.

12849541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 12849541 is about 3584.6256429368. The cubic root of 12849541 is about 234.2228196339. Note that the first 3 decimals are identical.

The spelling of 12849541 in words is "twelve million, eight hundred forty-nine thousand, five hundred forty-one".