13733985 has 32 divisors (see below), whose sum is σ = 22809600. Its totient is φ = 7051968.

The previous prime is 13733981. The next prime is 13733999. The reversal of 13733985 is 58933731.

It is not a de Polignac number, because 13733985 - 2² = 13733981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13733981) 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, 68916 + ... + 69114.

It is an arithmetic number, because the mean of its divisors is an integer number (712800).

Almost surely, 2^13733985 is an apocalyptic number.

13733985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13733985 is a deficient number, since it is larger than the sum of its proper divisors (9075615).

13733985 is a wasteful number, since it uses less digits than its factorization.

13733985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 68040, while the sum is 39.

The square root of 13733985 is about 3705.9391522258. The cubic root of 13733985 is about 239.4779450957.

The spelling of 13733985 in words is "thirteen million, seven hundred thirty-three thousand, nine hundred eighty-five".