13820727 has 8 divisors (see below), whose sum is σ = 18460800. Its totient is φ = 9197240.

The previous prime is 13820713. The next prime is 13820743. The reversal of 13820727 is 72702831.

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

It is a cyclic number.

It is not a de Polignac number, because 13820727 - 2¹⁵ = 13787959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13820694 and 13820703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13820747) 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, 2049 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (2307600).

Almost surely, 2^13820727 is an apocalyptic number.

13820727 is a deficient number, since it is larger than the sum of its proper divisors (4640073).

13820727 is an equidigital number, since it uses as much as digits as its factorization.

13820727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13820727 is about 3717.6238378835. The cubic root of 13820727 is about 239.9810575327.

The spelling of 13820727 in words is "thirteen million, eight hundred twenty thousand, seven hundred twenty-seven".