12501996 has 24 divisors (see below), whose sum is σ = 31415664. Its totient is φ = 3846720.

The previous prime is 12501991. The next prime is 12501997. The reversal of 12501996 is 69910521.

It is not an unprimeable number, because it can be changed into a prime (12501991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39915 + ... + 40226.

It is an arithmetic number, because the mean of its divisors is an integer number (1308986).

Almost surely, 2^12501996 is an apocalyptic number.

It is an amenable number.

12501996 is an abundant number, since it is smaller than the sum of its proper divisors (18913668).

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

12501996 is a wasteful number, since it uses less digits than its factorization.

12501996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80161 (or 80159 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 12501996 is about 3535.8161716922. The cubic root of 12501996 is about 232.0917938383.

The spelling of 12501996 in words is "twelve million, five hundred one thousand, nine hundred ninety-six".