13275156 has 48 divisors (see below), whose sum is σ = 32941440. Its totient is φ = 4152960.

The previous prime is 13275131. The next prime is 13275203. The reversal of 13275156 is 65157231.

13275156 = T₉₉ + T₁₀₀ + ... + T₄₃₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12361 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (686280).

Almost surely, 2^13275156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13275156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16470720).

13275156 is an abundant number, since it is smaller than the sum of its proper divisors (19666284).

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

13275156 is a wasteful number, since it uses less digits than its factorization.

13275156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 13275156 is about 3643.5087484457. The cubic root of 13275156 is about 236.7808331897.

It can be divided in two parts, 13275 and 156, that added together give a palindrome (13431).

The spelling of 13275156 in words is "thirteen million, two hundred seventy-five thousand, one hundred fifty-six".