13209369 has 8 divisors (see below), whose sum is σ = 17705472. Its totient is φ = 8759760.

The previous prime is 13209359. The next prime is 13209401. The reversal of 13209369 is 96390231.

13209369 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13209369 - 2⁷ = 13209241 is a prime.

It is a super-2 number, since 2×13209369² = 348974858756322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13209359) 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, 10954 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (2213184).

Almost surely, 2^13209369 is an apocalyptic number.

It is an amenable number.

13209369 is a deficient number, since it is larger than the sum of its proper divisors (4496103).

13209369 is a wasteful number, since it uses less digits than its factorization.

13209369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23247.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 13209369 is about 3634.4695623983. The cubic root of 13209369 is about 236.3890511447.

The spelling of 13209369 in words is "thirteen million, two hundred nine thousand, three hundred sixty-nine".