13100420 has 12 divisors (see below), whose sum is σ = 27510924. Its totient is φ = 5240160.

The previous prime is 13100401. The next prime is 13100459. The reversal of 13100420 is 2400131.

It is a happy number.

13100420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5271616 + 7828804 = 2296^2 + 2798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327491 + ... + 327530.

It is an arithmetic number, because the mean of its divisors is an integer number (2292577).

Almost surely, 2^13100420 is an apocalyptic number.

13100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100420 is an abundant number, since it is smaller than the sum of its proper divisors (14410504).

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

13100420 is a wasteful number, since it uses less digits than its factorization.

13100420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655030 (or 655028 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 13100420 is about 3619.4502344969. The cubic root of 13100420 is about 235.7373550380.

Adding to 13100420 its reverse (2400131), we get a palindrome (15500551).

The spelling of 13100420 in words is "thirteen million, one hundred thousand, four hundred twenty".