13530554 has 8 divisors (see below), whose sum is σ = 20348148. Its totient is φ = 6747840.

The previous prime is 13530523. The next prime is 13530557. The reversal of 13530554 is 45503531.

It can be written as a sum of positive squares in 2 ways, for example, as 12145225 + 1385329 = 3485^2 + 1177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13530557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7727 + ... + 9314.

Almost surely, 2^13530554 is an apocalyptic number.

13530554 is a deficient number, since it is larger than the sum of its proper divisors (6817594).

13530554 is a wasteful number, since it uses less digits than its factorization.

13530554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17440.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 13530554 is about 3678.3901370029. The cubic root of 13530554 is about 238.2896574516.

The spelling of 13530554 in words is "thirteen million, five hundred thirty thousand, five hundred fifty-four".