12617996 has 24 divisors (see below), whose sum is σ = 23115456. Its totient is φ = 6020480.

The previous prime is 12617989. The next prime is 12618017. The reversal of 12617996 is 69971621.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6890 + ... + 8526.

It is an arithmetic number, because the mean of its divisors is an integer number (963144).

Almost surely, 2^12617996 is an apocalyptic number.

It is an amenable number.

12617996 is a deficient number, since it is larger than the sum of its proper divisors (10497460).

12617996 is a wasteful number, since it uses less digits than its factorization.

12617996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729 (or 1727 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 12617996 is about 3552.1818647136. The cubic root of 12617996 is about 232.8074077621.

The spelling of 12617996 in words is "twelve million, six hundred seventeen thousand, nine hundred ninety-six".