13051823 has 2 divisors, whose sum is σ = 13051824. Its totient is φ = 13051822.

The previous prime is 13051811. The next prime is 13051849. The reversal of 13051823 is 32815031.

It is a weak prime.

It is an emirp because it is prime and its reverse (32815031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13051823 - 2⁴ = 13051807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13051873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525911 + 6525912.

It is an arithmetic number, because the mean of its divisors is an integer number (6525912).

Almost surely, 2^13051823 is an apocalyptic number.

13051823 is a deficient number, since it is larger than the sum of its proper divisors (1).

13051823 is an equidigital number, since it uses as much as digits as its factorization.

13051823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13051823 is about 3612.7306846761. The cubic root of 13051823 is about 235.4454986624.

Adding to 13051823 its reverse (32815031), we get a palindrome (45866854).

The spelling of 13051823 in words is "thirteen million, fifty-one thousand, eight hundred twenty-three".