13676849 has 6 divisors (see below), whose sum is σ = 13916130. Its totient is φ = 13441616.

The previous prime is 13676837. The next prime is 13676879. The reversal of 13676849 is 94867631.

It can be written as a sum of positive squares in only one way, i.e., 9412624 + 4264225 = 3068^2 + 2065^2 .

It is not a de Polignac number, because 13676849 - 2⁴ = 13676833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13676879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1517 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (2319355).

Almost surely, 2^13676849 is an apocalyptic number.

It is an amenable number.

13676849 is a deficient number, since it is larger than the sum of its proper divisors (239281).

13676849 is an frugal number, since it uses more digits than its factorization.

13676849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 3988 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 13676849 is about 3698.2224108347. Note that the first 3 decimals coincide. The cubic root of 13676849 is about 239.1453921812.

The spelling of 13676849 in words is "thirteen million, six hundred seventy-six thousand, eight hundred forty-nine".