12997498 has 8 divisors (see below), whose sum is σ = 19512000. Its totient is φ = 6493500.

The previous prime is 12997493. The next prime is 12997499. The reversal of 12997498 is 89479921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12997493) by changing a digit.

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, 2373 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (2439000).

Almost surely, 2^12997498 is an apocalyptic number.

12997498 is a deficient number, since it is larger than the sum of its proper divisors (6514502).

12997498 is a wasteful number, since it uses less digits than its factorization.

12997498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252.

The product of its digits is 326592, while the sum is 49.

The square root of 12997498 is about 3605.2042937953. The cubic root of 12997498 is about 235.1183830878.

The spelling of 12997498 in words is "twelve million, nine hundred ninety-seven thousand, four hundred ninety-eight".