13735949 has 4 divisors (see below), whose sum is σ = 14543964. Its totient is φ = 12927936.

The previous prime is 13735933. The next prime is 13735951. The reversal of 13735949 is 94953731.

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 8514724 + 5221225 = 2918^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13735949 - 2⁴ = 13735933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13735999) 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, 403982 + ... + 404015.

It is an arithmetic number, because the mean of its divisors is an integer number (3635991).

Almost surely, 2^13735949 is an apocalyptic number.

It is an amenable number.

13735949 is a deficient number, since it is larger than the sum of its proper divisors (808015).

13735949 is an equidigital number, since it uses as much as digits as its factorization.

13735949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808014.

The product of its digits is 102060, while the sum is 41.

The square root of 13735949 is about 3706.2041228189. The cubic root of 13735949 is about 239.4893599003.

The spelling of 13735949 in words is "thirteen million, seven hundred thirty-five thousand, nine hundred forty-nine".