13625863 has 4 divisors (see below), whose sum is σ = 13640328. Its totient is φ = 13611400.

The previous prime is 13625851. The next prime is 13625893. The reversal of 13625863 is 36852631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13625863 - 2¹⁷ = 13494791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713 + ... + 7738.

It is an arithmetic number, because the mean of its divisors is an integer number (3410082).

Almost surely, 2^13625863 is an apocalyptic number.

13625863 is a deficient number, since it is larger than the sum of its proper divisors (14465).

13625863 is a wasteful number, since it uses less digits than its factorization.

13625863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464.

The product of its digits is 25920, while the sum is 34.

The square root of 13625863 is about 3691.3226626780. The cubic root of 13625863 is about 238.8478516693.

It can be divided in two parts, 1362 and 5863, that added together give a square (7225 = 85²).

The spelling of 13625863 in words is "thirteen million, six hundred twenty-five thousand, eight hundred sixty-three".