13272515 has 4 divisors (see below), whose sum is σ = 15927024. Its totient is φ = 10618008.

The previous prime is 13272491. The next prime is 13272551. The reversal of 13272515 is 51527231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51527231 = 7 ⋅7361033.

It is a cyclic number.

It is not a de Polignac number, because 13272515 - 2⁶ = 13272451 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1327247 + ... + 1327256.

It is an arithmetic number, because the mean of its divisors is an integer number (3981756).

Almost surely, 2^13272515 is an apocalyptic number.

13272515 is a deficient number, since it is larger than the sum of its proper divisors (2654509).

13272515 is an equidigital number, since it uses as much as digits as its factorization.

13272515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654508.

The product of its digits is 2100, while the sum is 26.

The square root of 13272515 is about 3643.1463050501. The cubic root of 13272515 is about 236.7651301814.

Adding to 13272515 its reverse (51527231), we get a palindrome (64799746).

The spelling of 13272515 in words is "thirteen million, two hundred seventy-two thousand, five hundred fifteen".