13829745 has 16 divisors (see below), whose sum is σ = 22174272. Its totient is φ = 7360320.

The previous prime is 13829741. The next prime is 13829773. The reversal of 13829745 is 54792831.

It is not a de Polignac number, because 13829745 - 2² = 13829741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13829741) 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 15 ways as a sum of consecutive naturals, for example, 11754 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (1385892).

Almost surely, 2^13829745 is an apocalyptic number.

13829745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13829745 is a deficient number, since it is larger than the sum of its proper divisors (8344527).

13829745 is a wasteful number, since it uses less digits than its factorization.

13829745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952.

The product of its digits is 60480, while the sum is 39.

The square root of 13829745 is about 3718.8365115988. The cubic root of 13829745 is about 240.0332419233.

The spelling of 13829745 in words is "thirteen million, eight hundred twenty-nine thousand, seven hundred forty-five".