12417998 has 16 divisors (see below), whose sum is σ = 19202400. Its totient is φ = 6019200.

The previous prime is 12417967. The next prime is 12418019. The reversal of 12417998 is 89971421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15938 + ... + 16698.

It is an arithmetic number, because the mean of its divisors is an integer number (1200150).

Almost surely, 2^12417998 is an apocalyptic number.

12417998 is a deficient number, since it is larger than the sum of its proper divisors (6784402).

12417998 is a wasteful number, since it uses less digits than its factorization.

12417998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its digits is 36288, while the sum is 41.

The square root of 12417998 is about 3523.9179899651. The cubic root of 12417998 is about 231.5708351171.

The spelling of 12417998 in words is "twelve million, four hundred seventeen thousand, nine hundred ninety-eight".