13420115 has 4 divisors (see below), whose sum is σ = 16104144. Its totient is φ = 10736088.

The previous prime is 13420103. The next prime is 13420133. The reversal of 13420115 is 51102431.

13420115 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 13420115 - 2¹² = 13416019 is a prime.

It is a super-2 number, since 2×13420115² = 360198973226450, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 13420093 and 13420102.

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, 1342007 + ... + 1342016.

It is an arithmetic number, because the mean of its divisors is an integer number (4026036).

Almost surely, 2^13420115 is an apocalyptic number.

13420115 is a deficient number, since it is larger than the sum of its proper divisors (2684029).

13420115 is an equidigital number, since it uses as much as digits as its factorization.

13420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684028.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 13420115 is about 3663.3475128631. The cubic root of 13420115 is about 237.6395634009.

Adding to 13420115 its reverse (51102431), we get a palindrome (64522546).

The spelling of 13420115 in words is "thirteen million, four hundred twenty thousand, one hundred fifteen".