8112915 has 12 divisors (see below), whose sum is σ = 14062464. Its totient is φ = 4326864.

The previous prime is 8112911. The next prime is 8112919. The reversal of 8112915 is 5192118.

It is an interprime number because it is at equal distance from previous prime (8112911) and next prime (8112919).

It is not a de Polignac number, because 8112915 - 2² = 8112911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8112911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90099 + ... + 90188.

It is an arithmetic number, because the mean of its divisors is an integer number (1171872).

Almost surely, 2^8112915 is an apocalyptic number.

8112915 is a deficient number, since it is larger than the sum of its proper divisors (5949549).

8112915 is a wasteful number, since it uses less digits than its factorization.

8112915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180298 (or 180295 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 8112915 is about 2848.3179246706. The cubic root of 8112915 is about 200.9365657107.

It can be divided in two parts, 81 and 12915, that added together give a square (12996 = 114²).

The spelling of 8112915 in words is "eight million, one hundred twelve thousand, nine hundred fifteen".