13145013 has 24 divisors (see below), whose sum is σ = 21872448. Its totient is φ = 7451712.

The previous prime is 13145009. The next prime is 13145021. The reversal of 13145013 is 31054131.

13145013 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13145013 - 2² = 13145009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7870 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (911352).

Almost surely, 2^13145013 is an apocalyptic number.

It is an amenable number.

13145013 is a deficient number, since it is larger than the sum of its proper divisors (8727435).

13145013 is a wasteful number, since it uses less digits than its factorization.

13145013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13145013 is about 3625.6051908612. The cubic root of 13145013 is about 236.0045304598.

Adding to 13145013 its reverse (31054131), we get a palindrome (44199144).

The spelling of 13145013 in words is "thirteen million, one hundred forty-five thousand, thirteen".