13102061 has 6 divisors (see below), whose sum is σ = 15241230. Its totient is φ = 11230296.

The previous prime is 13102031. The next prime is 13102069. The reversal of 13102061 is 16020131.

It can be written as a sum of positive squares in only one way, i.e., 13097161 + 4900 = 3619^2 + 70^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13102061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133646 + ... + 133743.

It is an arithmetic number, because the mean of its divisors is an integer number (2540205).

Almost surely, 2^13102061 is an apocalyptic number.

It is an amenable number.

13102061 is a deficient number, since it is larger than the sum of its proper divisors (2139169).

13102061 is an equidigital number, since it uses as much as digits as its factorization.

13102061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267403 (or 267396 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13102061 is about 3619.6769192844. The cubic root of 13102061 is about 235.7471976957.

Adding to 13102061 its reverse (16020131), we get a palindrome (29122192).

The spelling of 13102061 in words is "thirteen million, one hundred two thousand, sixty-one".