13145012 has 24 divisors (see below), whose sum is σ = 24764040. Its totient is φ = 6082560.

The previous prime is 13145009. The next prime is 13145021. The reversal of 13145012 is 21054131.

It can be written as a sum of positive squares in 4 ways, for example, as 2149156 + 10995856 = 1466^2 + 3316^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (1031835).

Almost surely, 2^13145012 is an apocalyptic number.

It is an amenable number.

13145012 is a deficient number, since it is larger than the sum of its proper divisors (11619028).

13145012 is a wasteful number, since it uses less digits than its factorization.

13145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13145012 is about 3625.6050529532. The cubic root of 13145012 is about 236.0045244752.

Adding to 13145012 its reverse (21054131), we get a palindrome (34199143).

The spelling of 13145012 in words is "thirteen million, one hundred forty-five thousand, twelve".