13513248 has 72 divisors (see below), whose sum is σ = 43924608. Its totient is φ = 3860352.

The previous prime is 13513243. The next prime is 13513267. The reversal of 13513248 is 84231531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (13513243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1336 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (610064).

Almost surely, 2^13513248 is an apocalyptic number.

13513248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13513248 is an abundant number, since it is smaller than the sum of its proper divisors (30411360).

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

13513248 is a wasteful number, since it uses less digits than its factorization.

13513248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6715 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 13513248 is about 3676.0369965494. The cubic root of 13513248 is about 238.1880208092.

Adding to 13513248 its reverse (84231531), we get a palindrome (97744779).

The spelling of 13513248 in words is "thirteen million, five hundred thirteen thousand, two hundred forty-eight".