13403429 has 8 divisors (see below), whose sum is σ = 15283800. Its totient is φ = 11644416.

The previous prime is 13403399. The next prime is 13403431. The reversal of 13403429 is 92430431.

It can be written as a sum of positive squares in 4 ways, for example, as 3960100 + 9443329 = 1990^2 + 3073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13403429 - 2¹⁶ = 13337893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13403398 and 13403407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30104 + ... + 30545.

It is an arithmetic number, because the mean of its divisors is an integer number (1910475).

Almost surely, 2^13403429 is an apocalyptic number.

It is an amenable number.

13403429 is a deficient number, since it is larger than the sum of its proper divisors (1880371).

13403429 is a wasteful number, since it uses less digits than its factorization.

13403429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60679.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13403429 is about 3661.0693792934. The cubic root of 13403429 is about 237.5410322457.

The spelling of 13403429 in words is "thirteen million, four hundred three thousand, four hundred twenty-nine".