13634429 has 4 divisors (see below), whose sum is σ = 13821276. Its totient is φ = 13447584.

The previous prime is 13634407. The next prime is 13634449. The reversal of 13634429 is 92443631.

13634429 is digitally balanced in base 2, because in such base 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 an emirpimes, since its reverse is a distinct semiprime: 92443631 = 7 ⋅13206233.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 11042329 = 1610^2 + 3323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13634429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13634395 and 13634404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634449) 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, 93314 + ... + 93459.

It is an arithmetic number, because the mean of its divisors is an integer number (3455319).

Almost surely, 2^13634429 is an apocalyptic number.

It is an amenable number.

13634429 is a deficient number, since it is larger than the sum of its proper divisors (186847).

13634429 is an equidigital number, since it uses as much as digits as its factorization.

13634429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186846.

The product of its digits is 15552, while the sum is 32.

The square root of 13634429 is about 3692.4827690864. The cubic root of 13634429 is about 238.8978923434.

The spelling of 13634429 in words is "thirteen million, six hundred thirty-four thousand, four hundred twenty-nine".