13126723 has 2 divisors, whose sum is σ = 13126724. Its totient is φ = 13126722.

The previous prime is 13126717. The next prime is 13126741. The reversal of 13126723 is 32762131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13126723 - 2⁵ = 13126691 is a prime.

It is a super-3 number, since 3×13126723³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13126793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563361 + 6563362.

It is an arithmetic number, because the mean of its divisors is an integer number (6563362).

Almost surely, 2^13126723 is an apocalyptic number.

13126723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126723 is an equidigital number, since it uses as much as digits as its factorization.

13126723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 13126723 is about 3623.0819753354. The cubic root of 13126723 is about 235.8950205791.

Adding to 13126723 its reverse (32762131), we get a palindrome (45888854).

It can be divided in two parts, 13 and 126723, that added together give a square (126736 = 356²).

The spelling of 13126723 in words is "thirteen million, one hundred twenty-six thousand, seven hundred twenty-three".