10113815 has 8 divisors (see below), whose sum is σ = 12419088. Its totient is φ = 7902720.

The previous prime is 10113811. The next prime is 10113823. The reversal of 10113815 is 51831101.

10113815 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10113815 - 2² = 10113811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113811) 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, 23306 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (1552386).

Almost surely, 2^10113815 is an apocalyptic number.

10113815 is a deficient number, since it is larger than the sum of its proper divisors (2305273).

10113815 is an equidigital number, since it uses as much as digits as its factorization.

10113815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47089.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 10113815 is about 3180.2224764944. Note that the first 3 decimals coincide. The cubic root of 10113815 is about 216.2577441623.

Adding to 10113815 its reverse (51831101), we get a palindrome (61944916).

The spelling of 10113815 in words is "ten million, one hundred thirteen thousand, eight hundred fifteen".