13859982 has 12 divisors (see below), whose sum is σ = 30030000. Its totient is φ = 4619988.

The previous prime is 13859933. The next prime is 13859983. The reversal of 13859982 is 28995831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13859983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384982 + ... + 385017.

It is an arithmetic number, because the mean of its divisors is an integer number (2502500).

Almost surely, 2^13859982 is an apocalyptic number.

13859982 is an abundant number, since it is smaller than the sum of its proper divisors (16170018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13859982 is a wasteful number, since it uses less digits than its factorization.

13859982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770007 (or 770004 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 13859982 is about 3722.8996763276. The cubic root of 13859982 is about 240.2080487634.

It can be divided in two parts, 13859 and 982, that added together give a palindrome (14841).

The spelling of 13859982 in words is "thirteen million, eight hundred fifty-nine thousand, nine hundred eighty-two".