13849481 has 2 divisors, whose sum is σ = 13849482. Its totient is φ = 13849480.

The previous prime is 13849457. The next prime is 13849489. The reversal of 13849481 is 18494831.

13849481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 4239481 = 3100^2 + 2059^2 .

It is an emirp because it is prime and its reverse (18494831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13849481 is a prime.

It is a super-2 number, since 2×13849481² = 383616247938722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13849489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6924740 + 6924741.

It is an arithmetic number, because the mean of its divisors is an integer number (6924741).

Almost surely, 2^13849481 is an apocalyptic number.

It is an amenable number.

13849481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13849481 is an equidigital number, since it uses as much as digits as its factorization.

13849481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 13849481 is about 3721.4890836868. The cubic root of 13849481 is about 240.1473689821.

The spelling of 13849481 in words is "thirteen million, eight hundred forty-nine thousand, four hundred eighty-one".