13481863 has 2 divisors, whose sum is σ = 13481864. Its totient is φ = 13481862.

The previous prime is 13481861. The next prime is 13481873. The reversal of 13481863 is 36818431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13481863 - 2¹ = 13481861 is a prime.

Together with 13481861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13481861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740931 + 6740932.

It is an arithmetic number, because the mean of its divisors is an integer number (6740932).

Almost surely, 2^13481863 is an apocalyptic number.

13481863 is a deficient number, since it is larger than the sum of its proper divisors (1).

13481863 is an equidigital number, since it uses as much as digits as its factorization.

13481863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 13481863 is about 3671.7656515633. The cubic root of 13481863 is about 238.0034778109.

The spelling of 13481863 in words is "thirteen million, four hundred eighty-one thousand, eight hundred sixty-three".