13457429 has 2 divisors, whose sum is σ = 13457430. Its totient is φ = 13457428.

The previous prime is 13457417. The next prime is 13457449. The reversal of 13457429 is 92475431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 483025 = 3602^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 13457429 - 2⁸ = 13457173 is a prime.

It is a super-2 number, since 2×13457429² = 362204790580082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13457449) 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, 6728714 + 6728715.

It is an arithmetic number, because the mean of its divisors is an integer number (6728715).

Almost surely, 2^13457429 is an apocalyptic number.

It is an amenable number.

13457429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13457429 is an equidigital number, since it uses as much as digits as its factorization.

13457429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 13457429 is about 3668.4368605715. The cubic root of 13457429 is about 237.8596081369.

The spelling of 13457429 in words is "thirteen million, four hundred fifty-seven thousand, four hundred twenty-nine".