13080312 has 128 divisors (see below), whose sum is σ = 42739200. Its totient is φ = 3628800.

The previous prime is 13080289. The next prime is 13080323. The reversal of 13080312 is 21308031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61887 + ... + 62097.

It is an arithmetic number, because the mean of its divisors is an integer number (333900).

Almost surely, 2^13080312 is an apocalyptic number.

13080312 is a gapful number since it is divisible by the number (12) 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 13080312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21369600).

13080312 is an abundant number, since it is smaller than the sum of its proper divisors (29658888).

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

13080312 is a wasteful number, since it uses less digits than its factorization.

13080312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13080312 is about 3616.6713978464. The cubic root of 13080312 is about 235.6166811952.

Adding to 13080312 its reverse (21308031), we get a palindrome (34388343).

The spelling of 13080312 in words is "thirteen million, eighty thousand, three hundred twelve".