13829477 has 4 divisors (see below), whose sum is σ = 13850700. Its totient is φ = 13808256.

The previous prime is 13829471. The next prime is 13829479. The reversal of 13829477 is 77492831.

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 10042561 + 3786916 = 3169^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 13829477 - 2⁴ = 13829461 is a prime.

It is a super-3 number, since 3×13829477³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9602 + ... + 10947.

It is an arithmetic number, because the mean of its divisors is an integer number (3462675).

Almost surely, 2^13829477 is an apocalyptic number.

It is an amenable number.

13829477 is a deficient number, since it is larger than the sum of its proper divisors (21223).

13829477 is an equidigital number, since it uses as much as digits as its factorization.

13829477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21222.

The product of its digits is 84672, while the sum is 41.

The square root of 13829477 is about 3718.8004786490. The cubic root of 13829477 is about 240.0316914169.

The spelling of 13829477 in words is "thirteen million, eight hundred twenty-nine thousand, four hundred seventy-seven".