13123117 has 8 divisors (see below), whose sum is σ = 15045056. Its totient is φ = 11212992.

The previous prime is 13123111. The next prime is 13123147. The reversal of 13123117 is 71132131.

13123117 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 sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13123117 - 2¹⁵ = 13090349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123094 and 13123103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123111) 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, 423 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (1880632).

Almost surely, 2^13123117 is an apocalyptic number.

13123117 is the 2092-nd hex number.

It is an amenable number.

13123117 is a deficient number, since it is larger than the sum of its proper divisors (1921939).

13123117 is an equidigital number, since it uses as much as digits as its factorization.

13123117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907.

The product of its digits is 126, while the sum is 19.

The square root of 13123117 is about 3622.5842985361. The cubic root of 13123117 is about 235.8734179458.

Adding to 13123117 its reverse (71132131), we get a palindrome (84255248).

The spelling of 13123117 in words is "thirteen million, one hundred twenty-three thousand, one hundred seventeen".