13248143 has 4 divisors (see below), whose sum is σ = 13260000. Its totient is φ = 13236288.

The previous prime is 13248139. The next prime is 13248181. The reversal of 13248143 is 34184231.

13248143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13248143 - 2² = 13248139 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 (13248743) 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, 4055 + ... + 6552.

It is an arithmetic number, because the mean of its divisors is an integer number (3315000).

Almost surely, 2^13248143 is an apocalyptic number.

13248143 is a deficient number, since it is larger than the sum of its proper divisors (11857).

13248143 is a wasteful number, since it uses less digits than its factorization.

13248143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856.

The product of its digits is 2304, while the sum is 26.

The square root of 13248143 is about 3639.7998571350. The cubic root of 13248143 is about 236.6201193476.

The spelling of 13248143 in words is "thirteen million, two hundred forty-eight thousand, one hundred forty-three".