13807020 has 24 divisors (see below), whose sum is σ = 38659824. Its totient is φ = 3681856.

The previous prime is 13807019. The next prime is 13807063. The reversal of 13807020 is 2070831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114999 + ... + 115118.

It is an arithmetic number, because the mean of its divisors is an integer number (1610826).

Almost surely, 2^13807020 is an apocalyptic number.

13807020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13807020 is an abundant number, since it is smaller than the sum of its proper divisors (24852804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13807020 is a wasteful number, since it uses less digits than its factorization.

13807020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230129 (or 230127 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 13807020 is about 3715.7798643084. The cubic root of 13807020 is about 239.9016958512.

Adding to 13807020 its reverse (2070831), we get a palindrome (15877851).

The spelling of 13807020 in words is "thirteen million, eight hundred seven thousand, twenty".