13556090 has 8 divisors (see below), whose sum is σ = 24400980. Its totient is φ = 5422432.

The previous prime is 13556077. The next prime is 13556093. The reversal of 13556090 is 9065531.

It can be written as a sum of positive squares in 2 ways, for example, as 13256881 + 299209 = 3641^2 + 547^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13556093) 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, 677795 + ... + 677814.

Almost surely, 2^13556090 is an apocalyptic number.

13556090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13556090 is a deficient number, since it is larger than the sum of its proper divisors (10844890).

13556090 is a wasteful number, since it uses less digits than its factorization.

13556090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355616.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 13556090 is about 3681.8595845035. The cubic root of 13556090 is about 238.4394700088.

The spelling of 13556090 in words is "thirteen million, five hundred fifty-six thousand, ninety".