13126429 has 2 divisors, whose sum is σ = 13126430. Its totient is φ = 13126428.

The previous prime is 13126417. The next prime is 13126447. The reversal of 13126429 is 92462131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7236100 + 5890329 = 2690^2 + 2427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13126429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13126397 and 13126406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563214 + 6563215.

It is an arithmetic number, because the mean of its divisors is an integer number (6563215).

Almost surely, 2^13126429 is an apocalyptic number.

It is an amenable number.

13126429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126429 is an equidigital number, since it uses as much as digits as its factorization.

13126429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 13126429 is about 3623.0414019164. The cubic root of 13126429 is about 235.8932594476.

The spelling of 13126429 in words is "thirteen million, one hundred twenty-six thousand, four hundred twenty-nine".