13145210 has 16 divisors (see below), whose sum is σ = 25481736. Its totient is φ = 4853568.

The previous prime is 13145203. The next prime is 13145243. The reversal of 13145210 is 1254131.

It can be written as a sum of positive squares in 4 ways, for example, as 7447441 + 5697769 = 2729^2 + 2387^2 .

It is a Curzon 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, 50429 + ... + 50688.

Almost surely, 2^13145210 is an apocalyptic number.

13145210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13145210 is a deficient number, since it is larger than the sum of its proper divisors (12336526).

13145210 is a wasteful number, since it uses less digits than its factorization.

13145210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101137.

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

The square root of 13145210 is about 3625.6323586376. The cubic root of 13145210 is about 236.0057094281.

Adding to 13145210 its reverse (1254131), we get a palindrome (14399341).

The spelling of 13145210 in words is "thirteen million, one hundred forty-five thousand, two hundred ten".