13829770 has 8 divisors (see below), whose sum is σ = 24893604. Its totient is φ = 5531904.

The previous prime is 13829741. The next prime is 13829773. The reversal of 13829770 is 7792831.

It can be written as a sum of positive squares in 2 ways, for example, as 12453841 + 1375929 = 3529^2 + 1173^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13829773) 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, 691479 + ... + 691498.

Almost surely, 2^13829770 is an apocalyptic number.

13829770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13829770 is a deficient number, since it is larger than the sum of its proper divisors (11063834).

13829770 is a wasteful number, since it uses less digits than its factorization.

13829770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382984.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 13829770 is about 3718.8398728636. The cubic root of 13829770 is about 240.0333865591.

The spelling of 13829770 in words is "thirteen million, eight hundred twenty-nine thousand, seven hundred seventy".