13851442 has 8 divisors (see below), whose sum is σ = 22666032. Its totient is φ = 6296100.

The previous prime is 13851433. The next prime is 13851457. The reversal of 13851442 is 24415831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13851442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314784 + ... + 314827.

It is an arithmetic number, because the mean of its divisors is an integer number (2833254).

Almost surely, 2^13851442 is an apocalyptic number.

13851442 is a deficient number, since it is larger than the sum of its proper divisors (8814590).

13851442 is a wasteful number, since it uses less digits than its factorization.

13851442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629624.

The product of its digits is 3840, while the sum is 28.

The square root of 13851442 is about 3721.7525441652. The cubic root of 13851442 is about 240.1587029030.

The spelling of 13851442 in words is "thirteen million, eight hundred fifty-one thousand, four hundred forty-two".