13248511 has 4 divisors (see below), whose sum is σ = 13255792. Its totient is φ = 13241232.

The previous prime is 13248503. The next prime is 13248523. The reversal of 13248511 is 11584231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11584231 = 47 ⋅246473.

It is a cyclic number.

It is not a de Polignac number, because 13248511 - 2³ = 13248503 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 (13248541) 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, 1771 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (3313948).

Almost surely, 2^13248511 is an apocalyptic number.

13248511 is a deficient number, since it is larger than the sum of its proper divisors (7281).

13248511 is an equidigital number, since it uses as much as digits as its factorization.

13248511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its digits is 960, while the sum is 25.

The square root of 13248511 is about 3639.8504090141. The cubic root of 13248511 is about 236.6223102307.

It can be divided in two parts, 132485 and 11, that added together give a square (132496 = 364²).

The spelling of 13248511 in words is "thirteen million, two hundred forty-eight thousand, five hundred eleven".