13040429 has 8 divisors (see below), whose sum is σ = 13513728. Its totient is φ = 12570480.

The previous prime is 13040381. The next prime is 13040449. The reversal of 13040429 is 92404031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13040429 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 (13040449) 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, 9164 + ... + 10490.

It is an arithmetic number, because the mean of its divisors is an integer number (1689216).

Almost surely, 2^13040429 is an apocalyptic number.

It is an amenable number.

13040429 is a deficient number, since it is larger than the sum of its proper divisors (473299).

13040429 is a wasteful number, since it uses less digits than its factorization.

13040429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13040429 is about 3611.1534168462. The cubic root of 13040429 is about 235.3769655278.

The spelling of 13040429 in words is "thirteen million, forty thousand, four hundred twenty-nine".