13016819 has 2 divisors, whose sum is σ = 13016820. Its totient is φ = 13016818.

The previous prime is 13016813. The next prime is 13016867. The reversal of 13016819 is 91861031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13016819 - 2¹² = 13012723 is a prime.

It is a super-2 number, since 2×13016819² = 338875153757522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13016791 and 13016800.

It is not a weakly prime, because it can be changed into another prime (13016813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508409 + 6508410.

It is an arithmetic number, because the mean of its divisors is an integer number (6508410).

Almost surely, 2^13016819 is an apocalyptic number.

13016819 is a deficient number, since it is larger than the sum of its proper divisors (1).

13016819 is an equidigital number, since it uses as much as digits as its factorization.

13016819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 13016819 is about 3607.8828972127. The cubic root of 13016819 is about 235.2348278885.

The spelling of 13016819 in words is "thirteen million, sixteen thousand, eight hundred nineteen".