13829769 has 6 divisors (see below), whose sum is σ = 19976346. Its totient is φ = 9219840.

The previous prime is 13829741. The next prime is 13829773. The reversal of 13829769 is 96792831.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 783225 = 3612^2 + 885^2 .

It is not a de Polignac number, because 13829769 - 2¹¹ = 13827721 is a prime.

It is a super-2 number, since 2×13829769² = 382525021186722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13829869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768312 + ... + 768329.

It is an arithmetic number, because the mean of its divisors is an integer number (3329391).

Almost surely, 2^13829769 is an apocalyptic number.

It is an amenable number.

13829769 is a deficient number, since it is larger than the sum of its proper divisors (6146577).

13829769 is a wasteful number, since it uses less digits than its factorization.

13829769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536647 (or 1536644 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 13829769 is about 3718.8397384130. The cubic root of 13829769 is about 240.0333807736.

It can be divided in two parts, 1382976 and 9, that multiplied together give a square (12446784 = 3528²).

The spelling of 13829769 in words is "thirteen million, eight hundred twenty-nine thousand, seven hundred sixty-nine".