13936180 has 12 divisors (see below), whose sum is σ = 29266020. Its totient is φ = 5574464.

The previous prime is 13936159. The next prime is 13936189. The reversal of 13936180 is 8163931.

It can be written as a sum of positive squares in 2 ways, for example, as 2471184 + 11464996 = 1572^2 + 3386^2 .

It is a super-2 number, since 2×13936180² = 388434225984800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13936189) 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 3 ways as a sum of consecutive naturals, for example, 348385 + ... + 348424.

It is an arithmetic number, because the mean of its divisors is an integer number (2438835).

Almost surely, 2^13936180 is an apocalyptic number.

13936180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13936180 is an abundant number, since it is smaller than the sum of its proper divisors (15329840).

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

13936180 is a wasteful number, since it uses less digits than its factorization.

13936180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696818 (or 696816 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13936180 is about 3733.1193391050. The cubic root of 13936180 is about 240.6474416580.

The spelling of 13936180 in words is "thirteen million, nine hundred thirty-six thousand, one hundred eighty".