13277312 has 32 divisors (see below), whose sum is σ = 27025920. Its totient is φ = 6494464.

The previous prime is 13277311. The next prime is 13277351. The reversal of 13277312 is 21377231.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13277311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4913 + ... + 7119.

It is an arithmetic number, because the mean of its divisors is an integer number (844560).

Almost surely, 2^13277312 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 13277312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13512960).

13277312 is an abundant number, since it is smaller than the sum of its proper divisors (13748608).

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

13277312 is an equidigital number, since it uses as much as digits as its factorization.

13277312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2256 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 13277312 is about 3643.8046050797. The cubic root of 13277312 is about 236.7936509133.

The spelling of 13277312 in words is "thirteen million, two hundred seventy-seven thousand, three hundred twelve".