13129293 has 8 divisors (see below), whose sum is σ = 17679456. Its totient is φ = 8666000.

The previous prime is 13129289. The next prime is 13129301. The reversal of 13129293 is 39292131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13129293 - 2² = 13129289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13129293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21363 + ... + 21968.

It is an arithmetic number, because the mean of its divisors is an integer number (2209932).

Almost surely, 2^13129293 is an apocalyptic number.

It is an amenable number.

13129293 is a deficient number, since it is larger than the sum of its proper divisors (4550163).

13129293 is a wasteful number, since it uses less digits than its factorization.

13129293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43435.

The product of its digits is 2916, while the sum is 30.

The square root of 13129293 is about 3623.4366283958. The cubic root of 13129293 is about 235.9104143841.

It can be divided in two parts, 131 and 29293, that multiplied together give a palindrome (3837383).

The spelling of 13129293 in words is "thirteen million, one hundred twenty-nine thousand, two hundred ninety-three".