13851022 has 8 divisors (see below), whose sum is σ = 21998736. Its totient is φ = 6518112.

The previous prime is 13850999. The next prime is 13851029. The reversal of 13851022 is 22015831.

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

It is a junction number, because it is equal to n+sod(n) for n = 13850984 and 13851002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851029) by changing a digit.

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, 203658 + ... + 203725.

It is an arithmetic number, because the mean of its divisors is an integer number (2749842).

Almost surely, 2^13851022 is an apocalyptic number.

13851022 is a deficient number, since it is larger than the sum of its proper divisors (8147714).

13851022 is a wasteful number, since it uses less digits than its factorization.

13851022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407402.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13851022 is about 3721.6961187072. The cubic root of 13851022 is about 240.1562755342.

Adding to 13851022 its reverse (22015831), we get a palindrome (35866853).

The spelling of 13851022 in words is "thirteen million, eight hundred fifty-one thousand, twenty-two".