13045312 has 56 divisors (see below), whose sum is σ = 30423104. Its totient is φ = 5432832.

The previous prime is 13045309. The next prime is 13045321. The reversal of 13045312 is 21354031.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 13045312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16183 + ... + 16969.

Almost surely, 2^13045312 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 13045312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15211552).

13045312 is an abundant number, since it is smaller than the sum of its proper divisors (17377792).

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

13045312 is an equidigital number, since it uses as much as digits as its factorization.

13045312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13045312 is about 3611.8294533380. The cubic root of 13045312 is about 235.4063408981.

Adding to 13045312 its reverse (21354031), we get a palindrome (34399343).

It can be divided in two parts, 1304531 and 2, that multiplied together give a palindrome (2609062).

The spelling of 13045312 in words is "thirteen million, forty-five thousand, three hundred twelve".