13884742 has 4 divisors (see below), whose sum is σ = 20827116. Its totient is φ = 6942370.

The previous prime is 13884727. The next prime is 13884749. The reversal of 13884742 is 24748831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24748831 = 293 ⋅84467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13884749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471184 + ... + 3471187.

It is an arithmetic number, because the mean of its divisors is an integer number (5206779).

Almost surely, 2^13884742 is an apocalyptic number.

13884742 is a deficient number, since it is larger than the sum of its proper divisors (6942374).

13884742 is an equidigital number, since it uses as much as digits as its factorization.

13884742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942373.

The product of its digits is 43008, while the sum is 37.

The square root of 13884742 is about 3726.2235574372. The cubic root of 13884742 is about 240.3510026083.

The spelling of 13884742 in words is "thirteen million, eight hundred eighty-four thousand, seven hundred forty-two".