15996105 has 24 divisors (see below), whose sum is σ = 27830088. Its totient is φ = 8499456.

The previous prime is 15996103. The next prime is 15996107. The reversal of 15996105 is 50169951.

15996105 is a `hidden beast` number, since 1 + 599 + 61 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (15996103) and next prime (15996107).

It can be written as a sum of positive squares in 4 ways, for example, as 1411344 + 14584761 = 1188^2 + 3819^2 .

It is not a de Polignac number, because 15996105 - 2¹ = 15996103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15996105.

It is not an unprimeable number, because it can be changed into a prime (15996103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16309 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (1159587).

Almost surely, 2^15996105 is an apocalyptic number.

15996105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15996105 is a deficient number, since it is larger than the sum of its proper divisors (11833983).

15996105 is a wasteful number, since it uses less digits than its factorization.

15996105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 15996105 is about 3999.5130953655. The cubic root of 15996105 is about 251.9637608508.

The spelling of 15996105 in words is "fifteen million, nine hundred ninety-six thousand, one hundred five".