13041312 has 96 divisors (see below), whose sum is σ = 37122624. Its totient is φ = 3993600.

The previous prime is 13041307. The next prime is 13041313. The reversal of 13041312 is 21314031.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 13041291 and 13041300.

It is not an unprimeable number, because it can be changed into a prime (13041313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99487 + ... + 99617.

It is an arithmetic number, because the mean of its divisors is an integer number (386694).

Almost surely, 2^13041312 is an apocalyptic number.

13041312 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 13041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18561312).

13041312 is an abundant number, since it is smaller than the sum of its proper divisors (24081312).

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

13041312 is a wasteful number, since it uses less digits than its factorization.

13041312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13041312 is about 3611.2756748828. The cubic root of 13041312 is about 235.3822780618.

Adding to 13041312 its reverse (21314031), we get a palindrome (34355343).

The spelling of 13041312 in words is "thirteen million, forty-one thousand, three hundred twelve".