13432429 has 2 divisors, whose sum is σ = 13432430. Its totient is φ = 13432428.

The previous prime is 13432403. The next prime is 13432451. The reversal of 13432429 is 92423431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 6620329 = 2610^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 13432429 - 2²³ = 5043821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13432397 and 13432406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13432129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716214 + 6716215.

It is an arithmetic number, because the mean of its divisors is an integer number (6716215).

Almost surely, 2^13432429 is an apocalyptic number.

It is an amenable number.

13432429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432429 is an equidigital number, since it uses as much as digits as its factorization.

13432429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 13432429 is about 3665.0278307265. The cubic root of 13432429 is about 237.7122254460.

It can be divided in two parts, 13432 and 429, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13432429 in words is "thirteen million, four hundred thirty-two thousand, four hundred twenty-nine".