13416243 has 4 divisors (see below), whose sum is σ = 17888328. Its totient is φ = 8944160.

The previous prime is 13416239. The next prime is 13416251. The reversal of 13416243 is 34261431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13416243 - 2² = 13416239 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13416233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236038 + ... + 2236043.

It is an arithmetic number, because the mean of its divisors is an integer number (4472082).

Almost surely, 2^13416243 is an apocalyptic number.

13416243 is a deficient number, since it is larger than the sum of its proper divisors (4472085).

13416243 is an equidigital number, since it uses as much as digits as its factorization.

13416243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472084.

The product of its digits is 1728, while the sum is 24.

The square root of 13416243 is about 3662.8189963469. The cubic root of 13416243 is about 237.6167064458.

Adding to 13416243 its reverse (34261431), we get a palindrome (47677674).

The spelling of 13416243 in words is "thirteen million, four hundred sixteen thousand, two hundred forty-three".