12623117 has 12 divisors (see below), whose sum is σ = 13810644. Its totient is φ = 11531520.

The previous prime is 12623089. The next prime is 12623189. The reversal of 12623117 is 71132621.

It can be written as a sum of positive squares in 6 ways, for example, as 3556996 + 9066121 = 1886^2 + 3011^2 .

It is not a de Polignac number, because 12623117 - 2⁶ = 12623053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12623092 and 12623101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18767 + ... + 19427.

It is an arithmetic number, because the mean of its divisors is an integer number (1150887).

Almost surely, 2^12623117 is an apocalyptic number.

It is an amenable number.

12623117 is a deficient number, since it is larger than the sum of its proper divisors (1187527).

12623117 is a wasteful number, since it uses less digits than its factorization.

12623117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 787 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 12623117 is about 3552.9026161717. The cubic root of 12623117 is about 232.8388983804.

Adding to 12623117 its reverse (71132621), we get a palindrome (83755738).

The spelling of 12623117 in words is "twelve million, six hundred twenty-three thousand, one hundred seventeen".