13143967 has 2 divisors, whose sum is σ = 13143968. Its totient is φ = 13143966.

The previous prime is 13143959. The next prime is 13143997. The reversal of 13143967 is 76934131.

13143967 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13143967 - 2³ = 13143959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13143937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571983 + 6571984.

It is an arithmetic number, because the mean of its divisors is an integer number (6571984).

Almost surely, 2^13143967 is an apocalyptic number.

13143967 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143967 is an equidigital number, since it uses as much as digits as its factorization.

13143967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 13143967 is about 3625.4609362121. The cubic root of 13143967 is about 235.9982703598.

The spelling of 13143967 in words is "thirteen million, one hundred forty-three thousand, nine hundred sixty-seven".