13709123 has 8 divisors (see below), whose sum is σ = 14550192. Its totient is φ = 12871936.

The previous prime is 13709117. The next prime is 13709149. The reversal of 13709123 is 32190731.

13709123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13709123 - 2²² = 9514819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13709092 and 13709101.

It is not an unprimeable number, because it can be changed into a prime (13709183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9836 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (1818774).

Almost surely, 2^13709123 is an apocalyptic number.

13709123 is a deficient number, since it is larger than the sum of its proper divisors (841069).

13709123 is a wasteful number, since it uses less digits than its factorization.

13709123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13709123 is about 3702.5832873819. The cubic root of 13709123 is about 239.3333525155. Note that the first 4 decimals are identical.

Adding to 13709123 its reverse (32190731), we get a palindrome (45899854).

The spelling of 13709123 in words is "thirteen million, seven hundred nine thousand, one hundred twenty-three".