13314121 has 2 divisors, whose sum is σ = 13314122. Its totient is φ = 13314120.

The previous prime is 13314109. The next prime is 13314131. The reversal of 13314121 is 12141331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12996025 + 318096 = 3605^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 13314121 - 2⁹ = 13313609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13314095 and 13314104.

It is not a weakly prime, because it can be changed into another prime (13314131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6657060 + 6657061.

It is an arithmetic number, because the mean of its divisors is an integer number (6657061).

Almost surely, 2^13314121 is an apocalyptic number.

It is an amenable number.

13314121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13314121 is an equidigital number, since it uses as much as digits as its factorization.

13314121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 16.

The square root of 13314121 is about 3648.8520112496. The cubic root of 13314121 is about 237.0122718517.

Adding to 13314121 its reverse (12141331), we get a palindrome (25455452).

The spelling of 13314121 in words is "thirteen million, three hundred fourteen thousand, one hundred twenty-one".