13429 has 4 divisors (see below), whose sum is σ = 14476. Its totient is φ = 12384.
The previous prime is 13421. The next prime is 13441. The reversal of 13429 is 92431.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8100 + 5329 = 90^2 + 73^2 .
It is a cyclic number.
It is not a de Polignac number, because 13429 - 23 = 13421 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 (13421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504 + ... + 529.
It is an arithmetic number, because the mean of its divisors is an integer number (3619).
213429 is an apocalyptic number.
It is an amenable number.
13429 is a deficient number, since it is larger than the sum of its proper divisors (1047).
13429 is a wasteful number, since it uses less digits than its factorization.
13429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046.
The product of its digits is 216, while the sum is 19.
The square root of 13429 is about 115.8835622511. The cubic root of 13429 is about 23.7691996179.
The spelling of 13429 in words is "thirteen thousand, four hundred twenty-nine".
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