12498257 has 8 divisors (see below), whose sum is σ = 13337760. Its totient is φ = 11676960.

The previous prime is 12498253. The next prime is 12498259. The reversal of 12498257 is 75289421.

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

It is a cyclic number.

It is not a de Polignac number, because 12498257 - 2² = 12498253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12498257.

It is not an unprimeable number, because it can be changed into a prime (12498253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119 + ... + 5892.

It is an arithmetic number, because the mean of its divisors is an integer number (1667220).

Almost surely, 2^12498257 is an apocalyptic number.

It is an amenable number.

12498257 is a deficient number, since it is larger than the sum of its proper divisors (839503).

12498257 is an equidigital number, since it uses as much as digits as its factorization.

12498257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103.

The product of its digits is 40320, while the sum is 38.

The square root of 12498257 is about 3535.2873999153. The cubic root of 12498257 is about 232.0686541268.

The spelling of 12498257 in words is "twelve million, four hundred ninety-eight thousand, two hundred fifty-seven".