13685022 has 48 divisors (see below), whose sum is σ = 32196528. Its totient is φ = 4176000.

The previous prime is 13685011. The next prime is 13685029. The reversal of 13685022 is 22058631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54397 + ... + 54647.

It is an arithmetic number, because the mean of its divisors is an integer number (670761).

Almost surely, 2^13685022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13685022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16098264).

13685022 is an abundant number, since it is smaller than the sum of its proper divisors (18511506).

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

13685022 is a wasteful number, since it uses less digits than its factorization.

13685022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13685022 is about 3699.3272361336. The cubic root of 13685022 is about 239.1930187968.

It can be divided in two parts, 136 and 85022, that added together give a palindrome (85158).

The spelling of 13685022 in words is "thirteen million, six hundred eighty-five thousand, twenty-two".