13718542 has 4 divisors (see below), whose sum is σ = 20577816. Its totient is φ = 6859270.

The previous prime is 13718531. The next prime is 13718563. The reversal of 13718542 is 24581731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24581731 = 2731 ⋅9001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429634 + ... + 3429637.

It is an arithmetic number, because the mean of its divisors is an integer number (5144454).

Almost surely, 2^13718542 is an apocalyptic number.

13718542 is a deficient number, since it is larger than the sum of its proper divisors (6859274).

13718542 is an equidigital number, since it uses as much as digits as its factorization.

13718542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859273.

The product of its digits is 6720, while the sum is 31.

The square root of 13718542 is about 3703.8550187609. The cubic root of 13718542 is about 239.3881521495.

The spelling of 13718542 in words is "thirteen million, seven hundred eighteen thousand, five hundred forty-two".