13432743 has 8 divisors (see below), whose sum is σ = 19900400. Its totient is φ = 8955144.

The previous prime is 13432729. The next prime is 13432747. The reversal of 13432743 is 34723431.

It is not a de Polignac number, because 13432743 - 2⁵ = 13432711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 497509 = 13432743 / (1 + 3 + 4 + 3 + 2 + 7 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248728 + ... + 248781.

It is an arithmetic number, because the mean of its divisors is an integer number (2487550).

Almost surely, 2^13432743 is an apocalyptic number.

13432743 is a deficient number, since it is larger than the sum of its proper divisors (6467657).

13432743 is an equidigital number, since it uses as much as digits as its factorization.

13432743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497518 (or 497512 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 13432743 is about 3665.0706678044. The cubic root of 13432743 is about 237.7140777062.

The spelling of 13432743 in words is "thirteen million, four hundred thirty-two thousand, seven hundred forty-three".