13011967 has 2 divisors, whose sum is σ = 13011968. Its totient is φ = 13011966.

The previous prime is 13011961. The next prime is 13012001. The reversal of 13011967 is 76911031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13011967 - 2³ = 13011959 is a prime.

It is a super-2 number, since 2×13011967² = 338622570418178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13011961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505983 + 6505984.

It is an arithmetic number, because the mean of its divisors is an integer number (6505984).

Almost surely, 2^13011967 is an apocalyptic number.

13011967 is a deficient number, since it is larger than the sum of its proper divisors (1).

13011967 is an equidigital number, since it uses as much as digits as its factorization.

13011967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 13011967 is about 3607.2104180377. The cubic root of 13011967 is about 235.2055964450.

Adding to 13011967 its reverse (76911031), we get a palindrome (89922998).

The spelling of 13011967 in words is "thirteen million, eleven thousand, nine hundred sixty-seven".