13734729 has 12 divisors (see below), whose sum is σ = 19983600. Its totient is φ = 9089784.

The previous prime is 13734689. The next prime is 13734751. The reversal of 13734729 is 92743731.

It is not a de Polignac number, because 13734729 - 2¹⁶ = 13669193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13734693 and 13734702.

It is not an unprimeable number, because it can be changed into a prime (13734779) 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 11 ways as a sum of consecutive naturals, for example, 4239 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (1665300).

Almost surely, 2^13734729 is an apocalyptic number.

It is an amenable number.

13734729 is a deficient number, since it is larger than the sum of its proper divisors (6248871).

13734729 is a wasteful number, since it uses less digits than its factorization.

13734729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11124 (or 11121 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13734729 is about 3706.0395302803. The cubic root of 13734729 is about 239.4822693656.

The spelling of 13734729 in words is "thirteen million, seven hundred thirty-four thousand, seven hundred twenty-nine".