13786448 has 40 divisors (see below), whose sum is σ = 29164800. Its totient is φ = 6274944.

The previous prime is 13786441. The next prime is 13786469. The reversal of 13786448 is 84468731.

It is a super-2 number, since 2×13786448² = 380132296913408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13786441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16013 + ... + 16851.

It is an arithmetic number, because the mean of its divisors is an integer number (729120).

Almost surely, 2^13786448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13786448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14582400).

13786448 is an abundant number, since it is smaller than the sum of its proper divisors (15378352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13786448 is a wasteful number, since it uses less digits than its factorization.

13786448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 933 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 13786448 is about 3713.0106382826. The cubic root of 13786448 is about 239.7824881138.

The spelling of 13786448 in words is "thirteen million, seven hundred eighty-six thousand, four hundred forty-eight".