13735969 has 4 divisors (see below), whose sum is σ = 14792596. Its totient is φ = 12679344.

The previous prime is 13735961. The next prime is 13735999. The reversal of 13735969 is 96953731.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2845969 + 10890000 = 1687^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 13735969 - 2³ = 13735961 is a prime.

It is a super-2 number, since 2×13735969² = 377353688737922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13735961) 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, 528294 + ... + 528319.

It is an arithmetic number, because the mean of its divisors is an integer number (3698149).

Almost surely, 2^13735969 is an apocalyptic number.

It is an amenable number.

13735969 is a deficient number, since it is larger than the sum of its proper divisors (1056627).

13735969 is a wasteful number, since it uses less digits than its factorization.

13735969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056626.

The product of its digits is 153090, while the sum is 43.

The square root of 13735969 is about 3706.2068209964. The cubic root of 13735969 is about 239.4894761350.

The spelling of 13735969 in words is "thirteen million, seven hundred thirty-five thousand, nine hundred sixty-nine".