13265554 has 4 divisors (see below), whose sum is σ = 19898334. Its totient is φ = 6632776.

The previous prime is 13265533. The next prime is 13265561. The reversal of 13265554 is 45556231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 2474329 = 3285^2 + 1573^2 .

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 as a sum of consecutive naturals, namely, 3316387 + ... + 3316390.

Almost surely, 2^13265554 is an apocalyptic number.

13265554 is a deficient number, since it is larger than the sum of its proper divisors (6632780).

13265554 is an equidigital number, since it uses as much as digits as its factorization.

13265554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632779.

The product of its digits is 18000, while the sum is 31.

The square root of 13265554 is about 3642.1908242156. The cubic root of 13265554 is about 236.7237310875.

The spelling of 13265554 in words is "thirteen million, two hundred sixty-five thousand, five hundred fifty-four".