13550334 has 16 divisors (see below), whose sum is σ = 30972288. Its totient is φ = 3871512.

The previous prime is 13550297. The next prime is 13550347. The reversal of 13550334 is 43305531.

It is a happy number.

It is a super-2 number, since 2×13550334² = 367223103023112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161272 + ... + 161355.

It is an arithmetic number, because the mean of its divisors is an integer number (1935768).

Almost surely, 2^13550334 is an apocalyptic number.

13550334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13550334 is an abundant number, since it is smaller than the sum of its proper divisors (17421954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13550334 is a wasteful number, since it uses less digits than its factorization.

13550334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322639.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 13550334 is about 3681.0778312880. The cubic root of 13550334 is about 238.4057176046.

Adding to 13550334 its reverse (43305531), we get a palindrome (56855865).

The spelling of 13550334 in words is "thirteen million, five hundred fifty thousand, three hundred thirty-four".