13448789 has 4 divisors (see below), whose sum is σ = 14156640. Its totient is φ = 12740940.

The previous prime is 13448783. The next prime is 13448791. The reversal of 13448789 is 98784431.

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: 98784431 = 4253 ⋅23227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13448789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13448783) 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, 353897 + ... + 353934.

It is an arithmetic number, because the mean of its divisors is an integer number (3539160).

Almost surely, 2^13448789 is an apocalyptic number.

13448789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13448789 is a deficient number, since it is larger than the sum of its proper divisors (707851).

13448789 is an equidigital number, since it uses as much as digits as its factorization.

13448789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707850.

The product of its digits is 193536, while the sum is 44.

The square root of 13448789 is about 3667.2590582068. The cubic root of 13448789 is about 237.8086933353.

The spelling of 13448789 in words is "thirteen million, four hundred forty-eight thousand, seven hundred eighty-nine".