13820707 has 4 divisors (see below), whose sum is σ = 13862056. Its totient is φ = 13779360.

The previous prime is 13820687. The next prime is 13820713. The reversal of 13820707 is 70702831.

It is a happy number.

13820707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13820707 - 2¹⁹ = 13296419 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 20169 + ... + 20842.

It is an arithmetic number, because the mean of its divisors is an integer number (3465514).

Almost surely, 2^13820707 is an apocalyptic number.

13820707 is a deficient number, since it is larger than the sum of its proper divisors (41349).

13820707 is an equidigital number, since it uses as much as digits as its factorization.

13820707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41348.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 13820707 is about 3717.6211479924. The cubic root of 13820707 is about 239.9809417737.

The spelling of 13820707 in words is "thirteen million, eight hundred twenty thousand, seven hundred seven".