13013001 has 8 divisors (see below), whose sum is σ = 19278560. Its totient is φ = 8675316.

The previous prime is 13012999. The next prime is 13013023. The reversal of 13013001 is 10031031.

It is not a de Polignac number, because 13013001 - 2¹ = 13012999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13013071) 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, 240955 + ... + 241008.

It is an arithmetic number, because the mean of its divisors is an integer number (2409820).

Almost surely, 2^13013001 is an apocalyptic number.

It is an amenable number.

13013001 is a deficient number, since it is larger than the sum of its proper divisors (6265559).

13013001 is an equidigital number, since it uses as much as digits as its factorization.

13013001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481972 (or 481966 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 13013001 is about 3607.3537392388. The cubic root of 13013001 is about 235.2118265086.

Adding to 13013001 its reverse (10031031), we get a palindrome (23044032).

It can be divided in two parts, 130 and 13001, that added together give a palindrome (13131).

The spelling of 13013001 in words is "thirteen million, thirteen thousand, one".