13813451 has 2 divisors, whose sum is σ = 13813452. Its totient is φ = 13813450.

The previous prime is 13813439. The next prime is 13813463. The reversal of 13813451 is 15431831.

It is a balanced prime because it is at equal distance from previous prime (13813439) and next prime (13813463).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13813451 is a prime.

It is a super-2 number, since 2×13813451² = 381622857058802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13813451.

It is not a weakly prime, because it can be changed into another prime (13813411) 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 as a sum of consecutive naturals, namely, 6906725 + 6906726.

It is an arithmetic number, because the mean of its divisors is an integer number (6906726).

Almost surely, 2^13813451 is an apocalyptic number.

13813451 is a deficient number, since it is larger than the sum of its proper divisors (1).

13813451 is an equidigital number, since it uses as much as digits as its factorization.

13813451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 13813451 is about 3716.6451269929. The cubic root of 13813451 is about 239.9389370114.

The spelling of 13813451 in words is "thirteen million, eight hundred thirteen thousand, four hundred fifty-one".