13129039 has 16 divisors (see below), whose sum is σ = 16482816. Its totient is φ = 10159200.

The previous prime is 13128991. The next prime is 13129063. The reversal of 13129039 is 93092131.

13129039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13129039 - 2¹¹ = 13126991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13128998 and 13129016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12349 + ... + 13369.

It is an arithmetic number, because the mean of its divisors is an integer number (1030176).

Almost surely, 2^13129039 is an apocalyptic number.

13129039 is a deficient number, since it is larger than the sum of its proper divisors (3353777).

13129039 is a wasteful number, since it uses less digits than its factorization.

13129039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 13129039 is about 3623.4015786275. The cubic root of 13129039 is about 235.9088930625.

The spelling of 13129039 in words is "thirteen million, one hundred twenty-nine thousand, thirty-nine".