13829945 has 8 divisors (see below), whose sum is σ = 16630920. Its totient is φ = 11040640.

The previous prime is 13829917. The next prime is 13829947. The reversal of 13829945 is 54992831.

13829945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 316969 + 13512976 = 563^2 + 3676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13829945 - 2¹⁰ = 13828921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13829947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (2078865).

Almost surely, 2^13829945 is an apocalyptic number.

It is an amenable number.

13829945 is a deficient number, since it is larger than the sum of its proper divisors (2800975).

13829945 is an equidigital number, since it uses as much as digits as its factorization.

13829945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835.

The product of its digits is 77760, while the sum is 41.

The square root of 13829945 is about 3718.8634016323. The cubic root of 13829945 is about 240.0343990046.

The spelling of 13829945 in words is "thirteen million, eight hundred twenty-nine thousand, nine hundred forty-five".