13874429 has 4 divisors (see below), whose sum is σ = 13922076. Its totient is φ = 13826784.

The previous prime is 13874417. The next prime is 13874437. The reversal of 13874429 is 92447831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7166329 + 6708100 = 2677^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 13874429 - 2⁸ = 13874173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13874392 and 13874401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13874459) 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, 23384 + ... + 23969.

It is an arithmetic number, because the mean of its divisors is an integer number (3480519).

Almost surely, 2^13874429 is an apocalyptic number.

It is an amenable number.

13874429 is a deficient number, since it is larger than the sum of its proper divisors (47647).

13874429 is an equidigital number, since it uses as much as digits as its factorization.

13874429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47646.

The product of its digits is 48384, while the sum is 38.

The square root of 13874429 is about 3724.8394596278. The cubic root of 13874429 is about 240.2914803441.

The spelling of 13874429 in words is "thirteen million, eight hundred seventy-four thousand, four hundred twenty-nine".