13550911 has 8 divisors (see below), whose sum is σ = 14906448. Its totient is φ = 12317800.

The previous prime is 13550909. The next prime is 13550941. The reversal of 13550911 is 11905531.

It is not a de Polignac number, because 13550911 - 2¹ = 13550909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (1863306).

Almost surely, 2^13550911 is an apocalyptic number.

13550911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13550911 is a deficient number, since it is larger than the sum of its proper divisors (1355537).

13550911 is an equidigital number, since it uses as much as digits as its factorization.

13550911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214 (or 10192 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 13550911 is about 3681.1562042380. The cubic root of 13550911 is about 238.4091014854.

The spelling of 13550911 in words is "thirteen million, five hundred fifty thousand, nine hundred eleven".