13824742 has 8 divisors (see below), whose sum is σ = 21828600. Its totient is φ = 6548544.

The previous prime is 13824739. The next prime is 13824743. The reversal of 13824742 is 24742831.

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

It is a super-2 number, since 2×13824742² = 382246982733128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13824743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181867 + ... + 181942.

It is an arithmetic number, because the mean of its divisors is an integer number (2728575).

Almost surely, 2^13824742 is an apocalyptic number.

13824742 is a deficient number, since it is larger than the sum of its proper divisors (8003858).

13824742 is a wasteful number, since it uses less digits than its factorization.

13824742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363830.

The product of its digits is 10752, while the sum is 31.

The square root of 13824742 is about 3718.1637941328. The cubic root of 13824742 is about 240.0042939047.

The spelling of 13824742 in words is "thirteen million, eight hundred twenty-four thousand, seven hundred forty-two".