13276553 has 4 divisors (see below), whose sum is σ = 13527108. Its totient is φ = 13026000.

The previous prime is 13276547. The next prime is 13276591. The reversal of 13276553 is 35567231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35567231 = 7 ⋅5081033.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 2274064 = 3317^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 13276553 - 2⁴ = 13276537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13206553) 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, 125198 + ... + 125303.

It is an arithmetic number, because the mean of its divisors is an integer number (3381777).

Almost surely, 2^13276553 is an apocalyptic number.

It is an amenable number.

13276553 is a deficient number, since it is larger than the sum of its proper divisors (250555).

13276553 is an equidigital number, since it uses as much as digits as its factorization.

13276553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250554.

The product of its digits is 18900, while the sum is 32.

The square root of 13276553 is about 3643.7004542086. The cubic root of 13276553 is about 236.7891387097.

The spelling of 13276553 in words is "thirteen million, two hundred seventy-six thousand, five hundred fifty-three".