13669229 has 4 divisors (see below), whose sum is σ = 15621984. Its totient is φ = 11716476.

The previous prime is 13669211. The next prime is 13669247. The reversal of 13669229 is 92296631.

13669229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (13669211) and next prime (13669247).

It is a cyclic number.

It is not a de Polignac number, because 13669229 - 2¹² = 13665133 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13669192 and 13669201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13669129) 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, 976367 + ... + 976380.

It is an arithmetic number, because the mean of its divisors is an integer number (3905496).

Almost surely, 2^13669229 is an apocalyptic number.

It is an amenable number.

13669229 is a deficient number, since it is larger than the sum of its proper divisors (1952755).

13669229 is an equidigital number, since it uses as much as digits as its factorization.

13669229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952754.

The product of its digits is 34992, while the sum is 38.

The square root of 13669229 is about 3697.1920426183. The cubic root of 13669229 is about 239.1009709742.

The spelling of 13669229 in words is "thirteen million, six hundred sixty-nine thousand, two hundred twenty-nine".