13550472 has 96 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 4026240.

The previous prime is 13550447. The next prime is 13550483. The reversal of 13550472 is 27405531.

It is a happy number.

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 in 23 ways as a sum of consecutive naturals, for example, 28783 + ... + 29249.

It is an arithmetic number, because the mean of its divisors is an integer number (425880).

Almost surely, 2^13550472 is an apocalyptic number.

13550472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13550472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20442240).

13550472 is an abundant number, since it is smaller than the sum of its proper divisors (27334008).

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

13550472 is a wasteful number, since it uses less digits than its factorization.

13550472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 13550472 is about 3681.0965757502. The cubic root of 13550472 is about 238.4065269297.

The spelling of 13550472 in words is "thirteen million, five hundred fifty thousand, four hundred seventy-two".