13409733 has 4 divisors (see below), whose sum is σ = 17879648. Its totient is φ = 8939820.

The previous prime is 13409717. The next prime is 13409741. The reversal of 13409733 is 33790431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33790431 = 3 ⋅11263477.

It is not a de Polignac number, because 13409733 - 2⁴ = 13409717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13409733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409783) 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, 2234953 + ... + 2234958.

It is an arithmetic number, because the mean of its divisors is an integer number (4469912).

Almost surely, 2^13409733 is an apocalyptic number.

It is an amenable number.

13409733 is a deficient number, since it is larger than the sum of its proper divisors (4469915).

13409733 is an equidigital number, since it uses as much as digits as its factorization.

13409733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469914.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 13409733 is about 3661.9302287182. The cubic root of 13409733 is about 237.5782670947.

The spelling of 13409733 in words is "thirteen million, four hundred nine thousand, seven hundred thirty-three".