13129667 has 4 divisors (see below), whose sum is σ = 13137696. Its totient is φ = 13121640.

The previous prime is 13129657. The next prime is 13129673. The reversal of 13129667 is 76692131.

13129667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13129667 - 2¹⁴ = 13113283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13129607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (3284424).

Almost surely, 2^13129667 is an apocalyptic number.

13129667 is a deficient number, since it is larger than the sum of its proper divisors (8029).

13129667 is an equidigital number, since it uses as much as digits as its factorization.

13129667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028.

The product of its digits is 13608, while the sum is 35.

The square root of 13129667 is about 3623.4882364926. The cubic root of 13129667 is about 235.9126544046.

The spelling of 13129667 in words is "thirteen million, one hundred twenty-nine thousand, six hundred sixty-seven".