13485863 has 2 divisors, whose sum is σ = 13485864. Its totient is φ = 13485862.

The previous prime is 13485859. The next prime is 13485881. The reversal of 13485863 is 36858431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13485863 - 2² = 13485859 is a prime.

It is a super-4 number, since 4×13485863⁴ (a number of 30 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13485803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6742931 + 6742932.

It is an arithmetic number, because the mean of its divisors is an integer number (6742932).

Almost surely, 2^13485863 is an apocalyptic number.

13485863 is a deficient number, since it is larger than the sum of its proper divisors (1).

13485863 is an equidigital number, since it uses as much as digits as its factorization.

13485863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 13485863 is about 3672.3103082392. The cubic root of 13485863 is about 238.0270136228.

The spelling of 13485863 in words is "thirteen million, four hundred eighty-five thousand, eight hundred sixty-three".