13074217 has 4 divisors (see below), whose sum is σ = 14079940. Its totient is φ = 12068496.

The previous prime is 13074211. The next prime is 13074233. The reversal of 13074217 is 71247031.

It is a happy number.

13074217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4756761 + 8317456 = 2181^2 + 2884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13074217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13074191 and 13074200.

It is not an unprimeable number, because it can be changed into a prime (13074211) 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, 502842 + ... + 502867.

It is an arithmetic number, because the mean of its divisors is an integer number (3519985).

Almost surely, 2^13074217 is an apocalyptic number.

It is an amenable number.

13074217 is a deficient number, since it is larger than the sum of its proper divisors (1005723).

13074217 is a wasteful number, since it uses less digits than its factorization.

13074217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005722.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 13074217 is about 3615.8286740386. The cubic root of 13074217 is about 235.5800789392.

It can be divided in two parts, 130 and 74217, that added together give a palindrome (74347).

The spelling of 13074217 in words is "thirteen million, seventy-four thousand, two hundred seventeen".