13437429 has 16 divisors (see below), whose sum is σ = 19092672. Its totient is φ = 8377088.

The previous prime is 13437421. The next prime is 13437449. The reversal of 13437429 is 92473431.

It is a cyclic number.

It is not a de Polignac number, because 13437429 - 2³ = 13437421 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13437429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13437421) 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 in 15 ways as a sum of consecutive naturals, for example, 8062 + ... + 9584.

It is an arithmetic number, because the mean of its divisors is an integer number (1193292).

Almost surely, 2^13437429 is an apocalyptic number.

It is an amenable number.

13437429 is a deficient number, since it is larger than the sum of its proper divisors (5655243).

13437429 is a wasteful number, since it uses less digits than its factorization.

13437429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its digits is 18144, while the sum is 33.

The square root of 13437429 is about 3665.7098903214. The cubic root of 13437429 is about 237.7417166047.

The spelling of 13437429 in words is "thirteen million, four hundred thirty-seven thousand, four hundred twenty-nine".