13673939 has 4 divisors (see below), whose sum is σ = 14393640. Its totient is φ = 12954240.

The previous prime is 13673929. The next prime is 13673953. The reversal of 13673939 is 93937631.

13673939 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13673939 - 2⁴ = 13673923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13673896 and 13673905.

It is not an unprimeable number, because it can be changed into a prime (13673909) 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, 359822 + ... + 359859.

It is an arithmetic number, because the mean of its divisors is an integer number (3598410).

Almost surely, 2^13673939 is an apocalyptic number.

13673939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13673939 is a deficient number, since it is larger than the sum of its proper divisors (719701).

13673939 is an equidigital number, since it uses as much as digits as its factorization.

13673939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719700.

The product of its digits is 91854, while the sum is 41.

The square root of 13673939 is about 3697.8289576453. The cubic root of 13673939 is about 239.1284301248.

The spelling of 13673939 in words is "thirteen million, six hundred seventy-three thousand, nine hundred thirty-nine".