13448939 has 4 divisors (see below), whose sum is σ = 15370224. Its totient is φ = 11527656.

The previous prime is 13448927. The next prime is 13448957. The reversal of 13448939 is 93984431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13448939 - 2⁴ = 13448923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13448896 and 13448905.

It is not an unprimeable number, because it can be changed into a prime (13448959) 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, 960632 + ... + 960645.

It is an arithmetic number, because the mean of its divisors is an integer number (3842556).

Almost surely, 2^13448939 is an apocalyptic number.

13448939 is a deficient number, since it is larger than the sum of its proper divisors (1921285).

13448939 is an equidigital number, since it uses as much as digits as its factorization.

13448939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921284.

The product of its digits is 93312, while the sum is 41.

The square root of 13448939 is about 3667.2795093911. The cubic root of 13448939 is about 237.8095774588.

The spelling of 13448939 in words is "thirteen million, four hundred forty-eight thousand, nine hundred thirty-nine".