13381248 has 32 divisors (see below), whose sum is σ = 35544960. Its totient is φ = 4460288.

The previous prime is 13381241. The next prime is 13381271. The reversal of 13381248 is 84218331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13381241) 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, 17040 + ... + 17807.

It is an arithmetic number, because the mean of its divisors is an integer number (1110780).

Almost surely, 2^13381248 is an apocalyptic number.

It is an amenable number.

13381248 is an abundant number, since it is smaller than the sum of its proper divisors (22163712).

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

13381248 is an equidigital number, since it uses as much as digits as its factorization.

13381248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34864 (or 34852 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 13381248 is about 3658.0388188208. The cubic root of 13381248 is about 237.4099263233.

Adding to 13381248 its reverse (84218331), we get a palindrome (97599579).

The spelling of 13381248 in words is "thirteen million, three hundred eighty-one thousand, two hundred forty-eight".