13000429 has 4 divisors (see below), whose sum is σ = 14000476. Its totient is φ = 12000384.

The previous prime is 13000411. The next prime is 13000457. The reversal of 13000429 is 92400031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92400031 = 6299 ⋅14669.

It can be written as a sum of positive squares in 2 ways, for example, as 3697929 + 9302500 = 1923^2 + 3050^2 .

It is a cyclic number.

It is not a de Polignac number, because 13000429 - 2⁵ = 13000397 is a prime.

It is a super-2 number, since 2×13000429² = 338022308368082, which contains 22 as substring.

It is a Duffinian number.

13000429 is a modest number, since divided by 429 gives 13 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000469) 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, 500004 + ... + 500029.

It is an arithmetic number, because the mean of its divisors is an integer number (3500119).

Almost surely, 2^13000429 is an apocalyptic number.

It is an amenable number.

13000429 is a deficient number, since it is larger than the sum of its proper divisors (1000047).

13000429 is a wasteful number, since it uses less digits than its factorization.

13000429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000046.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13000429 is about 3605.6107665692. The cubic root of 13000429 is about 235.1360552118.

The spelling of 13000429 in words is "thirteen million, four hundred twenty-nine", and thus it is an aban number.