13803156 has 24 divisors (see below), whose sum is σ = 35786240. Its totient is φ = 4601016.

The previous prime is 13803143. The next prime is 13803169. The reversal of 13803156 is 65130831.

13803156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13803143) and next prime (13803169).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63796 + ... + 64011.

Almost surely, 2^13803156 is an apocalyptic number.

It is an amenable number.

13803156 is an abundant number, since it is smaller than the sum of its proper divisors (21983084).

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

13803156 is a wasteful number, since it uses less digits than its factorization.

13803156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127820 (or 127812 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 13803156 is about 3715.2598832383. The cubic root of 13803156 is about 239.8793143225.

Adding to 13803156 its reverse (65130831), we get a palindrome (78933987).

The spelling of 13803156 in words is "thirteen million, eight hundred three thousand, one hundred fifty-six".