13121411 has 2 divisors, whose sum is σ = 13121412. Its totient is φ = 13121410.

The previous prime is 13121371. The next prime is 13121417. The reversal of 13121411 is 11412131.

It is a strong prime.

It is an emirp because it is prime and its reverse (11412131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13121411 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13121417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560705 + 6560706.

It is an arithmetic number, because the mean of its divisors is an integer number (6560706).

Almost surely, 2^13121411 is an apocalyptic number.

13121411 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121411 is an equidigital number, since it uses as much as digits as its factorization.

13121411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 14.

The square root of 13121411 is about 3622.3488236226. The cubic root of 13121411 is about 235.8631963527.

Adding to 13121411 its reverse (11412131), we get a palindrome (24533542).

The spelling of 13121411 in words is "thirteen million, one hundred twenty-one thousand, four hundred eleven".