13021017 has 8 divisors (see below), whose sum is σ = 17581440. Its totient is φ = 8570640.

The previous prime is 13021009. The next prime is 13021027. The reversal of 13021017 is 71012031.

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

It is not a de Polignac number, because 13021017 - 2³ = 13021009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13020987 and 13021005.

It is not an unprimeable number, because it can be changed into a prime (13021027) 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, 27234 + ... + 27707.

It is an arithmetic number, because the mean of its divisors is an integer number (2197680).

Almost surely, 2^13021017 is an apocalyptic number.

It is an amenable number.

13021017 is a deficient number, since it is larger than the sum of its proper divisors (4560423).

13021017 is an equidigital number, since it uses as much as digits as its factorization.

13021017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55023.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 13021017 is about 3608.4646319453. The cubic root of 13021017 is about 235.2601133715.

Adding to 13021017 its reverse (71012031), we get a palindrome (84033048).

The spelling of 13021017 in words is "thirteen million, twenty-one thousand, seventeen".