13628863 has 2 divisors, whose sum is σ = 13628864. Its totient is φ = 13628862.

The previous prime is 13628831. The next prime is 13628873. The reversal of 13628863 is 36882631.

It is a strong prime.

It is an emirp because it is prime and its reverse (36882631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13628863 - 2⁵ = 13628831 is a prime.

It is equal to p₈₈₇₄₈₂ and since 13628863 and 887482 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13628873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6814431 + 6814432.

It is an arithmetic number, because the mean of its divisors is an integer number (6814432).

Almost surely, 2^13628863 is an apocalyptic number.

13628863 is a deficient number, since it is larger than the sum of its proper divisors (1).

13628863 is an equidigital number, since it uses as much as digits as its factorization.

13628863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 13628863 is about 3691.7289987213. The cubic root of 13628863 is about 238.8653793903.

The spelling of 13628863 in words is "thirteen million, six hundred twenty-eight thousand, eight hundred sixty-three".