13862081 has 2 divisors, whose sum is σ = 13862082. Its totient is φ = 13862080.

The previous prime is 13862063. The next prime is 13862083. The reversal of 13862081 is 18026831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7612081 + 6250000 = 2759^2 + 2500^2 .

It is an emirp because it is prime and its reverse (18026831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13862081 is a prime.

It is a super-2 number, since 2×13862081² = 384314579301122, which contains 22 as substring.

Together with 13862083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13862083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6931040 + 6931041.

It is an arithmetic number, because the mean of its divisors is an integer number (6931041).

Almost surely, 2^13862081 is an apocalyptic number.

It is an amenable number.

13862081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13862081 is an equidigital number, since it uses as much as digits as its factorization.

13862081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 13862081 is about 3723.1815695719. The cubic root of 13862081 is about 240.2201741096.

The spelling of 13862081 in words is "thirteen million, eight hundred sixty-two thousand, eighty-one".