13883309 has 4 divisors (see below), whose sum is σ = 15145440. Its totient is φ = 12621180.

The previous prime is 13883299. The next prime is 13883321. The reversal of 13883309 is 90338831.

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 not a de Polignac number, because 13883309 - 2¹² = 13879213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883369) 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, 631049 + ... + 631070.

It is an arithmetic number, because the mean of its divisors is an integer number (3786360).

Almost surely, 2^13883309 is an apocalyptic number.

It is an amenable number.

13883309 is a deficient number, since it is larger than the sum of its proper divisors (1262131).

13883309 is a wasteful number, since it uses less digits than its factorization.

13883309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262130.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13883309 is about 3726.0312666428. The cubic root of 13883309 is about 240.3427337033.

The spelling of 13883309 in words is "thirteen million, eight hundred eighty-three thousand, three hundred nine".