13550347 has 2 divisors, whose sum is σ = 13550348. Its totient is φ = 13550346.

The previous prime is 13550297. The next prime is 13550413. The reversal of 13550347 is 74305531.

13550347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (74305531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13550347 - 2⁷ = 13550219 is a prime.

It is a super-2 number, since 2×13550347² = 367223807640818, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13550447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775173 + 6775174.

It is an arithmetic number, because the mean of its divisors is an integer number (6775174).

Almost surely, 2^13550347 is an apocalyptic number.

13550347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550347 is an equidigital number, since it uses as much as digits as its factorization.

13550347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 13550347 is about 3681.0795970747. The cubic root of 13550347 is about 238.4057938456.

Adding to 13550347 its reverse (74305531), we get a palindrome (87855878).

The spelling of 13550347 in words is "thirteen million, five hundred fifty thousand, three hundred forty-seven".