13003229 has 4 divisors (see below), whose sum is σ = 13422720. Its totient is φ = 12583740.

The previous prime is 13003219. The next prime is 13003231. The reversal of 13003229 is 92230031.

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 not a de Polignac number, because 13003229 - 2²⁰ = 11954653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13003229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003219) 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, 209699 + ... + 209760.

It is an arithmetic number, because the mean of its divisors is an integer number (3355680).

Almost surely, 2^13003229 is an apocalyptic number.

It is an amenable number.

13003229 is a deficient number, since it is larger than the sum of its proper divisors (419491).

13003229 is an equidigital number, since it uses as much as digits as its factorization.

13003229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419490.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 13003229 is about 3605.9990293953. Note that the first 3 decimals coincide. The cubic root of 13003229 is about 235.1529350059.

The spelling of 13003229 in words is "thirteen million, three thousand, two hundred twenty-nine".