8147912 has 8 divisors (see below), whose sum is σ = 15277350. Its totient is φ = 4073952.

The previous prime is 8147899. The next prime is 8147917. The reversal of 8147912 is 2197418.

It can be written as a sum of positive squares in only one way, i.e., 4813636 + 3334276 = 2194^2 + 1826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8147917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509237 + ... + 509252.

Almost surely, 2^8147912 is an apocalyptic number.

It is an amenable number.

8147912 is a deficient number, since it is larger than the sum of its proper divisors (7129438).

8147912 is a wasteful number, since it uses less digits than its factorization.

8147912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018495 (or 1018491 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 8147912 is about 2854.4547640486. The cubic root of 8147912 is about 201.2250805661.

The spelling of 8147912 in words is "eight million, one hundred forty-seven thousand, nine hundred twelve".