13203413 has 8 divisors (see below), whose sum is σ = 13818168. Its totient is φ = 12602304.

The previous prime is 13203409. The next prime is 13203419. The reversal of 13203413 is 31430231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10387729 + 2815684 = 3223^2 + 1678^2 .

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 13203413 - 2² = 13203409 is a prime.

It is a super-2 number, since 2×13203413² = 348660229697138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13203391 and 13203400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203419) 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, 1406 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (1727271).

Almost surely, 2^13203413 is an apocalyptic number.

It is an amenable number.

13203413 is a deficient number, since it is larger than the sum of its proper divisors (614755).

13203413 is an equidigital number, since it uses as much as digits as its factorization.

13203413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13203413 is about 3633.6500932258. The cubic root of 13203413 is about 236.3535171524.

Adding to 13203413 its reverse (31430231), we get a palindrome (44633644).

The spelling of 13203413 in words is "thirteen million, two hundred three thousand, four hundred thirteen".