13347229 has 4 divisors (see below), whose sum is σ = 15253984. Its totient is φ = 11440476.

The previous prime is 13347223. The next prime is 13347233. The reversal of 13347229 is 92274331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92274331 = 113 ⋅816587.

It is a cyclic number.

It is not a de Polignac number, because 13347229 - 2¹¹ = 13345181 is a prime.

It is a super-3 number, since 3×13347229³ (a number of 22 digits) contains 333 as substring.

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 13347229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13347223) 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, 953367 + ... + 953380.

It is an arithmetic number, because the mean of its divisors is an integer number (3813496).

Almost surely, 2^13347229 is an apocalyptic number.

It is an amenable number.

13347229 is a deficient number, since it is larger than the sum of its proper divisors (1906755).

13347229 is an equidigital number, since it uses as much as digits as its factorization.

13347229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906754.

The product of its digits is 9072, while the sum is 31.

The square root of 13347229 is about 3653.3859637328. The cubic root of 13347229 is about 237.2085673722.

The spelling of 13347229 in words is "thirteen million, three hundred forty-seven thousand, two hundred twenty-nine".