13809296 has 10 divisors (see below), whose sum is σ = 26755542. Its totient is φ = 6904640.

The previous prime is 13809293. The next prime is 13809311. The reversal of 13809296 is 69290831.

It can be written as a sum of positive squares in only one way, i.e., 13424896 + 384400 = 3664^2 + 620^2 .

It is not an unprimeable number, because it can be changed into a prime (13809293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431525 + ... + 431556.

Almost surely, 2^13809296 is an apocalyptic number.

13809296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13809296 is a deficient number, since it is larger than the sum of its proper divisors (12946246).

13809296 is an equidigital number, since it uses as much as digits as its factorization.

13809296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863089 (or 863083 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 13809296 is about 3716.0861131034. The cubic root of 13809296 is about 239.9148772198.

The spelling of 13809296 in words is "thirteen million, eight hundred nine thousand, two hundred ninety-six".