13011429 has 4 divisors (see below), whose sum is σ = 17348576. Its totient is φ = 8674284.

The previous prime is 13011421. The next prime is 13011431. The reversal of 13011429 is 92411031.

Added to its reverse (92411031) it gives a triangular number (105422460 = T₁₄₅₂₀).

13011429 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13011429 - 2³ = 13011421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011421) 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, 2168569 + ... + 2168574.

It is an arithmetic number, because the mean of its divisors is an integer number (4337144).

Almost surely, 2^13011429 is an apocalyptic number.

It is an amenable number.

13011429 is a deficient number, since it is larger than the sum of its proper divisors (4337147).

13011429 is an equidigital number, since it uses as much as digits as its factorization.

13011429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337146.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 13011429 is about 3607.1358444062. The cubic root of 13011429 is about 235.2023547534.

Adding to 13011429 its reverse (92411031), we get a triangular number (105422460 = T₁₄₅₂₀).

The spelling of 13011429 in words is "thirteen million, eleven thousand, four hundred twenty-nine".