13271860 has 48 divisors (see below), whose sum is σ = 32546304. Its totient is φ = 4451328.

The previous prime is 13271833. The next prime is 13271887. The reversal of 13271860 is 6817231.

It is an interprime number because it is at equal distance from previous prime (13271833) and next prime (13271887).

It is a super-2 number, since 2×13271860² = 352284535719200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 5572 + ... + 7588.

It is an arithmetic number, because the mean of its divisors is an integer number (678048).

Almost surely, 2^13271860 is an apocalyptic number.

13271860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13271860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16273152).

13271860 is an abundant number, since it is smaller than the sum of its proper divisors (19274444).

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

13271860 is a wasteful number, since it uses less digits than its factorization.

13271860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 13271860 is about 3643.0564091158. The cubic root of 13271860 is about 236.7612353227.

The spelling of 13271860 in words is "thirteen million, two hundred seventy-one thousand, eight hundred sixty".