13730863 has 8 divisors (see below), whose sum is σ = 14495600. Its totient is φ = 12970368.

The previous prime is 13730851. The next prime is 13730867. The reversal of 13730863 is 36803731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13730863 - 2¹⁷ = 13599791 is a prime.

It is a super-3 number, since 3×13730863³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13730867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7393 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (1811950).

Almost surely, 2^13730863 is an apocalyptic number.

13730863 is a deficient number, since it is larger than the sum of its proper divisors (764737).

13730863 is a wasteful number, since it uses less digits than its factorization.

13730863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13730863 is about 3705.5179125191. The cubic root of 13730863 is about 239.4597977334.

The spelling of 13730863 in words is "thirteen million, seven hundred thirty thousand, eight hundred sixty-three".