13248723 has 4 divisors (see below), whose sum is σ = 17664968. Its totient is φ = 8832480.

The previous prime is 13248659. The next prime is 13248727. The reversal of 13248723 is 32784231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32784231 = 3 ⋅10928077.

It is not a de Polignac number, because 13248723 - 2⁶ = 13248659 is a prime.

It is a super-2 number, since 2×13248723² = 351057322261458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13248727) 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 3 ways as a sum of consecutive naturals, for example, 2208118 + ... + 2208123.

It is an arithmetic number, because the mean of its divisors is an integer number (4416242).

Almost surely, 2^13248723 is an apocalyptic number.

13248723 is a deficient number, since it is larger than the sum of its proper divisors (4416245).

13248723 is an equidigital number, since it uses as much as digits as its factorization.

13248723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416244.

The product of its digits is 8064, while the sum is 30.

The square root of 13248723 is about 3639.8795309735. The cubic root of 13248723 is about 236.6235723514.

The spelling of 13248723 in words is "thirteen million, two hundred forty-eight thousand, seven hundred twenty-three".