13349923 has 4 divisors (see below), whose sum is σ = 13357440. Its totient is φ = 13342408.

The previous prime is 13349899. The next prime is 13349929. The reversal of 13349923 is 32994331.

13349923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13349923 - 2⁹ = 13349411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13349929) 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, 561 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (3339360).

Almost surely, 2^13349923 is an apocalyptic number.

13349923 is a deficient number, since it is larger than the sum of its proper divisors (7517).

13349923 is an equidigital number, since it uses as much as digits as its factorization.

13349923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516.

The product of its digits is 17496, while the sum is 34.

The square root of 13349923 is about 3653.7546441982. The cubic root of 13349923 is about 237.2245256631.

The spelling of 13349923 in words is "thirteen million, three hundred forty-nine thousand, nine hundred twenty-three".