8128497 has 16 divisors (see below), whose sum is σ = 12075840. Its totient is φ = 4828992.

The previous prime is 8128441. The next prime is 8128501. The reversal of 8128497 is 7948218.

It is not a de Polignac number, because 8128497 - 2⁷ = 8128369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (8138497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (754740).

Almost surely, 2^8128497 is an apocalyptic number.

8128497 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

8128497 is a deficient number, since it is larger than the sum of its proper divisors (3947343).

8128497 is a wasteful number, since it uses less digits than its factorization.

8128497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232.

The product of its digits is 32256, while the sum is 39.

The square root of 8128497 is about 2851.0519111374. The cubic root of 8128497 is about 201.0651257987.

The spelling of 8128497 in words is "eight million, one hundred twenty-eight thousand, four hundred ninety-seven".