12500016 has 20 divisors (see below), whose sum is σ = 32291832. Its totient is φ = 4166656.

The previous prime is 12500003. The next prime is 12500029. The reversal of 12500016 is 61000521.

It is an interprime number because it is at equal distance from previous prime (12500003) and next prime (12500029).

It is a junction number, because it is equal to n+sod(n) for n = 12499968 and 12500004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 130161 + ... + 130256.

Almost surely, 2^12500016 is an apocalyptic number.

12500016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12500016 is an abundant number, since it is smaller than the sum of its proper divisors (19791816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12500016 is a wasteful number, since it uses less digits than its factorization.

12500016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260428 (or 260422 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12500016 is about 3535.5361686737. The cubic root of 12500016 is about 232.0795407012.

Adding to 12500016 its reverse (61000521), we get a palindrome (73500537).

The spelling of 12500016 in words is "twelve million, five hundred thousand, sixteen".