13625117 has 4 divisors (see below), whose sum is σ = 14863776. Its totient is φ = 12386460.

The previous prime is 13625107. The next prime is 13625123. The reversal of 13625117 is 71152631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13625117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625107) 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, 619313 + ... + 619334.

It is an arithmetic number, because the mean of its divisors is an integer number (3715944).

Almost surely, 2^13625117 is an apocalyptic number.

It is an amenable number.

13625117 is a deficient number, since it is larger than the sum of its proper divisors (1238659).

13625117 is a wasteful number, since it uses less digits than its factorization.

13625117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238658.

The product of its digits is 1260, while the sum is 26.

The square root of 13625117 is about 3691.2216135041. The cubic root of 13625117 is about 238.8434927099.

Adding to 13625117 its reverse (71152631), we get a palindrome (84777748).

The spelling of 13625117 in words is "thirteen million, six hundred twenty-five thousand, one hundred seventeen".