13170001 has 6 divisors (see below), whose sum is σ = 14261190. Its totient is φ = 12156768.

The previous prime is 13169999. The next prime is 13170029. The reversal of 13170001 is 10007131.

13170001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 638401 + 12531600 = 799^2 + 3540^2 .

It is not a de Polignac number, because 13170001 - 2¹ = 13169999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13173001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38796 + ... + 39133.

It is an arithmetic number, because the mean of its divisors is an integer number (2376865).

Almost surely, 2^13170001 is an apocalyptic number.

It is an amenable number.

13170001 is a deficient number, since it is larger than the sum of its proper divisors (1091189).

13170001 is an equidigital number, since it uses as much as digits as its factorization.

13170001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77955 (or 77942 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 13170001 is about 3629.0496001019. The cubic root of 13170001 is about 236.1539799973.

Adding to 13170001 its reverse (10007131), we get a palindrome (23177132).

The spelling of 13170001 in words is "thirteen million, one hundred seventy thousand, one".