13431742 has 8 divisors (see below), whose sum is σ = 20797632. Its totient is φ = 6499200.

The previous prime is 13431739. The next prime is 13431757. The reversal of 13431742 is 24713431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108259 + ... + 108382.

It is an arithmetic number, because the mean of its divisors is an integer number (2599704).

Almost surely, 2^13431742 is an apocalyptic number.

13431742 is a deficient number, since it is larger than the sum of its proper divisors (7365890).

13431742 is a wasteful number, since it uses less digits than its factorization.

13431742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216674.

The product of its digits is 2016, while the sum is 25.

The square root of 13431742 is about 3664.9341058196. The cubic root of 13431742 is about 237.7081727890.

The spelling of 13431742 in words is "thirteen million, four hundred thirty-one thousand, seven hundred forty-two".