13501429 has 4 divisors (see below), whose sum is σ = 13515820. Its totient is φ = 13487040.

The previous prime is 13501427. The next prime is 13501447. The reversal of 13501429 is 92410531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92410531 = 223 ⋅414397.

It can be written as a sum of positive squares in 2 ways, for example, as 2788900 + 10712529 = 1670^2 + 3273^2 .

It is a cyclic number.

It is not a de Polignac number, because 13501429 - 2¹ = 13501427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13501421) 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 3 ways as a sum of consecutive naturals, for example, 5682 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (3378955).

Almost surely, 2^13501429 is an apocalyptic number.

It is an amenable number.

13501429 is a deficient number, since it is larger than the sum of its proper divisors (14391).

13501429 is a wasteful number, since it uses less digits than its factorization.

13501429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14390.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13501429 is about 3674.4290712980. The cubic root of 13501429 is about 238.1185589659.

The spelling of 13501429 in words is "thirteen million, five hundred one thousand, four hundred twenty-nine".