13315829 has 4 divisors (see below), whose sum is σ = 13440384. Its totient is φ = 13191276.

The previous prime is 13315817. The next prime is 13315831. The reversal of 13315829 is 92851331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13315829 is a prime.

It is a super-2 number, since 2×13315829² = 354622603914482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13315795 and 13315804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315849) 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, 62117 + ... + 62330.

It is an arithmetic number, because the mean of its divisors is an integer number (3360096).

Almost surely, 2^13315829 is an apocalyptic number.

It is an amenable number.

13315829 is a deficient number, since it is larger than the sum of its proper divisors (124555).

13315829 is a wasteful number, since it uses less digits than its factorization.

13315829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124554.

The product of its digits is 6480, while the sum is 32.

The square root of 13315829 is about 3649.0860499583. The cubic root of 13315829 is about 237.0224064462.

The spelling of 13315829 in words is "thirteen million, three hundred fifteen thousand, eight hundred twenty-nine".