13797851 has 2 divisors, whose sum is σ = 13797852. Its totient is φ = 13797850.

The previous prime is 13797809. The next prime is 13797859. The reversal of 13797851 is 15879731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13797851 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13797799 and 13797808.

It is not a weakly prime, because it can be changed into another prime (13797859) 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, 6898925 + 6898926.

It is an arithmetic number, because the mean of its divisors is an integer number (6898926).

Almost surely, 2^13797851 is an apocalyptic number.

13797851 is a deficient number, since it is larger than the sum of its proper divisors (1).

13797851 is an equidigital number, since it uses as much as digits as its factorization.

13797851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 41.

The square root of 13797851 is about 3714.5458672629. The cubic root of 13797851 is about 239.8485792543.

The spelling of 13797851 in words is "thirteen million, seven hundred ninety-seven thousand, eight hundred fifty-one".