13453109 has 4 divisors (see below), whose sum is σ = 13766016. Its totient is φ = 13140204.

The previous prime is 13453093. The next prime is 13453117. The reversal of 13453109 is 90135431.

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 a cyclic number.

It is not a de Polignac number, because 13453109 - 2⁴ = 13453093 is a prime.

It is a super-2 number, since 2×13453109² = 361972283531762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156389 + ... + 156474.

It is an arithmetic number, because the mean of its divisors is an integer number (3441504).

Almost surely, 2^13453109 is an apocalyptic number.

It is an amenable number.

13453109 is a deficient number, since it is larger than the sum of its proper divisors (312907).

13453109 is an equidigital number, since it uses as much as digits as its factorization.

13453109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312906.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13453109 is about 3667.8480066655. The cubic root of 13453109 is about 237.8341534610.

The spelling of 13453109 in words is "thirteen million, four hundred fifty-three thousand, one hundred nine".