13513065 has 16 divisors (see below), whose sum is σ = 21988800. Its totient is φ = 7084352.

The previous prime is 13513037. The next prime is 13513081. The reversal of 13513065 is 56031531.

13513065 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13513065 - 2⁸ = 13512809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6750 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (1374300).

Almost surely, 2^13513065 is an apocalyptic number.

13513065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13513065 is a deficient number, since it is larger than the sum of its proper divisors (8475735).

13513065 is a wasteful number, since it uses less digits than its factorization.

13513065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 13513065 is about 3676.0121055296. The cubic root of 13513065 is about 238.1869456025.

Adding to 13513065 its reverse (56031531), we get a palindrome (69544596).

The spelling of 13513065 in words is "thirteen million, five hundred thirteen thousand, sixty-five".