13730885 has 32 divisors (see below), whose sum is σ = 20224512. Its totient is φ = 8743680.

The previous prime is 13730881. The next prime is 13730887. The reversal of 13730885 is 58803731.

It is not a de Polignac number, because 13730885 - 2² = 13730881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13730881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29555 + ... + 30015.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^13730885 is an apocalyptic number.

It is an amenable number.

13730885 is a deficient number, since it is larger than the sum of its proper divisors (6493627).

13730885 is a wasteful number, since it uses less digits than its factorization.

13730885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 13730885 is about 3705.5208810638. The cubic root of 13730885 is about 239.4599256232.

The spelling of 13730885 in words is "thirteen million, seven hundred thirty thousand, eight hundred eighty-five".