12749498 has 8 divisors (see below), whose sum is σ = 19955808. Its totient is φ = 6097564.

The previous prime is 12749489. The next prime is 12749501. The reversal of 12749498 is 89494721.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138536 + ... + 138627.

It is an arithmetic number, because the mean of its divisors is an integer number (2494476).

Almost surely, 2^12749498 is an apocalyptic number.

12749498 is a deficient number, since it is larger than the sum of its proper divisors (7206310).

12749498 is a wasteful number, since it uses less digits than its factorization.

12749498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277188.

The product of its digits is 145152, while the sum is 44.

The square root of 12749498 is about 3570.6439195193. The cubic root of 12749498 is about 233.6133703527.

The spelling of 12749498 in words is "twelve million, seven hundred forty-nine thousand, four hundred ninety-eight".