13550016 has 28 divisors (see below), whose sum is σ = 35851592. Its totient is φ = 4516608.

The previous prime is 13549981. The next prime is 13550039. The reversal of 13550016 is 61005531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13549974 and 13550001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35095 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (1280414).

Almost surely, 2^13550016 is an apocalyptic number.

13550016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13550016 is an abundant number, since it is smaller than the sum of its proper divisors (22301576).

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

13550016 is an equidigital number, since it uses as much as digits as its factorization.

13550016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70588 (or 70578 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 13550016 is about 3681.0346371639. The cubic root of 13550016 is about 238.4038526170.

Adding to 13550016 its reverse (61005531), we get a palindrome (74555547).

The spelling of 13550016 in words is "thirteen million, five hundred fifty thousand, sixteen".