13204031 has 8 divisors (see below), whose sum is σ = 13937280. Its totient is φ = 12474648.

The previous prime is 13204007. The next prime is 13204043. The reversal of 13204031 is 13040231.

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 13204031 - 2²² = 9009727 is a prime.

It is a super-2 number, since 2×13204031² = 348692869297922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203997 and 13204015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8540 + ... + 9966.

It is an arithmetic number, because the mean of its divisors is an integer number (1742160).

Almost surely, 2^13204031 is an apocalyptic number.

13204031 is a deficient number, since it is larger than the sum of its proper divisors (733249).

13204031 is a wasteful number, since it uses less digits than its factorization.

13204031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13204031 is about 3633.7351306885. The cubic root of 13204031 is about 236.3572046887.

Adding to 13204031 its reverse (13040231), we get a palindrome (26244262).

The spelling of 13204031 in words is "thirteen million, two hundred four thousand, thirty-one".