13863156 has 12 divisors (see below), whose sum is σ = 32347392. Its totient is φ = 4621048.

The previous prime is 13863149. The next prime is 13863191. The reversal of 13863156 is 65136831.

13863156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577620 + ... + 577643.

It is an arithmetic number, because the mean of its divisors is an integer number (2695616).

Almost surely, 2^13863156 is an apocalyptic number.

It is an amenable number.

13863156 is an abundant number, since it is smaller than the sum of its proper divisors (18484236).

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

13863156 is a wasteful number, since it uses less digits than its factorization.

13863156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155270 (or 1155268 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 13863156 is about 3723.3259325501. The cubic root of 13863156 is about 240.2263836153.

Adding to 13863156 its reverse (65136831), we get a palindrome (78999987).

The spelling of 13863156 in words is "thirteen million, eight hundred sixty-three thousand, one hundred fifty-six".