13210101 has 8 divisors (see below), whose sum is σ = 19570560. Its totient is φ = 8806716.

The previous prime is 13210097. The next prime is 13210103. The reversal of 13210101 is 10101231.

It is not a de Polignac number, because 13210101 - 2² = 13210097 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244605 + ... + 244658.

It is an arithmetic number, because the mean of its divisors is an integer number (2446320).

Almost surely, 2^13210101 is an apocalyptic number.

It is an amenable number.

13210101 is a deficient number, since it is larger than the sum of its proper divisors (6360459).

13210101 is an equidigital number, since it uses as much as digits as its factorization.

13210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489272 (or 489266 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 13210101 is about 3634.5702634562. The cubic root of 13210101 is about 236.3934175806.

Adding to 13210101 its reverse (10101231), we get a palindrome (23311332).

The spelling of 13210101 in words is "thirteen million, two hundred ten thousand, one hundred one".