13145312 has 24 divisors (see below), whose sum is σ = 25990776. Its totient is φ = 6544512.

The previous prime is 13145311. The next prime is 13145339. The reversal of 13145312 is 21354131.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145311) 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, 8123 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (1082949).

Almost surely, 2^13145312 is an apocalyptic number.

It is an amenable number.

13145312 is a deficient number, since it is larger than the sum of its proper divisors (12845464).

13145312 is a wasteful number, since it uses less digits than its factorization.

13145312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1762 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 13145312 is about 3625.6464251220. The cubic root of 13145312 is about 236.0063198537.

Adding to 13145312 its reverse (21354131), we get a palindrome (34499443).

The spelling of 13145312 in words is "thirteen million, one hundred forty-five thousand, three hundred twelve".