13147023 has 16 divisors (see below), whose sum is σ = 17878016. Its totient is φ = 8592480.

The previous prime is 13147009. The next prime is 13147051. The reversal of 13147023 is 32074131.

It is not a de Polignac number, because 13147023 - 2¹⁰ = 13145999 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 (13147003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48378 + ... + 48648.

It is an arithmetic number, because the mean of its divisors is an integer number (1117376).

Almost surely, 2^13147023 is an apocalyptic number.

13147023 is a deficient number, since it is larger than the sum of its proper divisors (4730993).

13147023 is a wasteful number, since it uses less digits than its factorization.

13147023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13147023 is about 3625.8823753674. The cubic root of 13147023 is about 236.0165589741.

The spelling of 13147023 in words is "thirteen million, one hundred forty-seven thousand, twenty-three".