13027961 has 4 divisors (see below), whose sum is σ = 13035252. Its totient is φ = 13020672.

The previous prime is 13027951. The next prime is 13027979. The reversal of 13027961 is 16972031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6996025 + 6031936 = 2645^2 + 2456^2 .

It is a cyclic number.

It is not a de Polignac number, because 13027961 - 2⁶ = 13027897 is a prime.

It is a pancake number, because a pancake can be divided into 13027961 parts by 5104 straight cuts.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13027951) 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 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 5213.

It is an arithmetic number, because the mean of its divisors is an integer number (3258813).

Almost surely, 2^13027961 is an apocalyptic number.

It is an amenable number.

13027961 is a deficient number, since it is larger than the sum of its proper divisors (7291).

13027961 is an equidigital number, since it uses as much as digits as its factorization.

13027961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13027961 is about 3609.4266857771. The cubic root of 13027961 is about 235.3019266930.

Adding to 13027961 its reverse (16972031), we get a palindrome (29999992).

The spelling of 13027961 in words is "thirteen million, twenty-seven thousand, nine hundred sixty-one".