13025505 has 16 divisors (see below), whose sum is σ = 20977344. Its totient is φ = 6901440.

The previous prime is 13025503. The next prime is 13025527. The reversal of 13025505 is 50552031.

It is not a de Polignac number, because 13025505 - 2¹ = 13025503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13025503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1311084).

Almost surely, 2^13025505 is an apocalyptic number.

13025505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13025505 is a deficient number, since it is larger than the sum of its proper divisors (7951839).

13025505 is a wasteful number, since it uses less digits than its factorization.

13025505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 13025505 is about 3609.0864495049. The cubic root of 13025505 is about 235.2871395786.

Adding to 13025505 its reverse (50552031), we get a palindrome (63577536).

It can be divided in two parts, 13025 and 505, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 13025505 in words is "thirteen million, twenty-five thousand, five hundred five".