13045811 has 2 divisors, whose sum is σ = 13045812. Its totient is φ = 13045810.

The previous prime is 13045801. The next prime is 13045841. The reversal of 13045811 is 11854031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13045811 - 2¹⁴ = 13029427 is a prime.

It is equal to p₈₅₂₀₂₆ and since 13045811 and 852026 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13045801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522905 + 6522906.

It is an arithmetic number, because the mean of its divisors is an integer number (6522906).

Almost surely, 2^13045811 is an apocalyptic number.

13045811 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045811 is an equidigital number, since it uses as much as digits as its factorization.

13045811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 13045811 is about 3611.8985312436. The cubic root of 13045811 is about 235.4093423918.

Adding to 13045811 its reverse (11854031), we get a palindrome (24899842).

The spelling of 13045811 in words is "thirteen million, forty-five thousand, eight hundred eleven".