13129677 has 12 divisors (see below), whose sum is σ = 20689344. Its totient is φ = 7957320.

The previous prime is 13129673. The next prime is 13129681. The reversal of 13129677 is 77692131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13129673) and next prime (13129681).

It is not a de Polignac number, because 13129677 - 2² = 13129673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66213 + ... + 66410.

It is an arithmetic number, because the mean of its divisors is an integer number (1724112).

Almost surely, 2^13129677 is an apocalyptic number.

It is an amenable number.

13129677 is a deficient number, since it is larger than the sum of its proper divisors (7559667).

13129677 is a wasteful number, since it uses less digits than its factorization.

13129677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132640 (or 132637 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 13129677 is about 3623.4896163781. The cubic root of 13129677 is about 235.9127142976.

The spelling of 13129677 in words is "thirteen million, one hundred twenty-nine thousand, six hundred seventy-seven".