13620017 has 8 divisors (see below), whose sum is σ = 14371200. Its totient is φ = 12872304.

The previous prime is 13620011. The next prime is 13620023. The reversal of 13620017 is 71002631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13620011) and next prime (13620023).

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 13620017 - 2⁶ = 13619953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13620011) 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, 13163 + ... + 14159.

It is an arithmetic number, because the mean of its divisors is an integer number (1796400).

Almost surely, 2^13620017 is an apocalyptic number.

It is an amenable number.

13620017 is a deficient number, since it is larger than the sum of its proper divisors (751183).

13620017 is an equidigital number, since it uses as much as digits as its factorization.

13620017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13620017 is about 3690.5307206417. The cubic root of 13620017 is about 238.8136885909.

Adding to 13620017 its reverse (71002631), we get a palindrome (84622648).

The spelling of 13620017 in words is "thirteen million, six hundred twenty thousand, seventeen".