13416551 has 2 divisors, whose sum is σ = 13416552. Its totient is φ = 13416550.

The previous prime is 13416539. The next prime is 13416563. The reversal of 13416551 is 15561431.

It is a balanced prime because it is at equal distance from previous prime (13416539) and next prime (13416563).

It is an emirp because it is prime and its reverse (15561431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13416551 - 2²² = 9222247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13416551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13416511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6708275 + 6708276.

It is an arithmetic number, because the mean of its divisors is an integer number (6708276).

Almost surely, 2^13416551 is an apocalyptic number.

13416551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13416551 is an equidigital number, since it uses as much as digits as its factorization.

13416551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 13416551 is about 3662.8610402252. The cubic root of 13416551 is about 237.6185247737.

Adding to 13416551 its reverse (15561431), we get a palindrome (28977982).

The spelling of 13416551 in words is "thirteen million, four hundred sixteen thousand, five hundred fifty-one".