13288501 has 4 divisors (see below), whose sum is σ = 13437900. Its totient is φ = 13139104.

The previous prime is 13288493. The next prime is 13288507. The reversal of 13288501 is 10588231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10588231 = 2239 ⋅4729.

It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 9579025 = 1926^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 13288501 - 2³ = 13288493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13288501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74566 + ... + 74743.

It is an arithmetic number, because the mean of its divisors is an integer number (3359475).

Almost surely, 2^13288501 is an apocalyptic number.

It is an amenable number.

13288501 is a deficient number, since it is larger than the sum of its proper divisors (149399).

13288501 is an equidigital number, since it uses as much as digits as its factorization.

13288501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149398.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 13288501 is about 3645.3396275244. The cubic root of 13288501 is about 236.8601488172.

The spelling of 13288501 in words is "thirteen million, two hundred eighty-eight thousand, five hundred one".