12496665 has 16 divisors (see below), whose sum is σ = 20049408. Its totient is φ = 6646656.

The previous prime is 12496657. The next prime is 12496667. The reversal of 12496665 is 56669421.

It is not a de Polignac number, because 12496665 - 2³ = 12496657 is a prime.

It is a super-2 number, since 2×12496665² = 312333272244450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12496667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5944 + ... + 7766.

It is an arithmetic number, because the mean of its divisors is an integer number (1253088).

Almost surely, 2^12496665 is an apocalyptic number.

12496665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12496665 is a deficient number, since it is larger than the sum of its proper divisors (7552743).

12496665 is a wasteful number, since it uses less digits than its factorization.

12496665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288.

The product of its digits is 77760, while the sum is 39.

The square root of 12496665 is about 3535.0622342471. The cubic root of 12496665 is about 232.0588002465.

The spelling of 12496665 in words is "twelve million, four hundred ninety-six thousand, six hundred sixty-five".