13836220 has 24 divisors (see below), whose sum is σ = 29283408. Its totient is φ = 5491200.

The previous prime is 13836217. The next prime is 13836223. The reversal of 13836220 is 2263831.

It is an interprime number because it is at equal distance from previous prime (13836217) and next prime (13836223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13836223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (1220142).

Almost surely, 2^13836220 is an apocalyptic number.

13836220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13836220 is an abundant number, since it is smaller than the sum of its proper divisors (15447188).

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

13836220 is a wasteful number, since it uses less digits than its factorization.

13836220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13836220 is about 3719.7069777067. The cubic root of 13836220 is about 240.0706967654.

The spelling of 13836220 in words is "thirteen million, eight hundred thirty-six thousand, two hundred twenty".