12457698 has 16 divisors (see below), whose sum is σ = 27180576. Its totient is φ = 3775040.

The previous prime is 12457693. The next prime is 12457717. The reversal of 12457698 is 89675421.

It is not an unprimeable number, because it can be changed into a prime (12457693) 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 7 ways as a sum of consecutive naturals, for example, 94311 + ... + 94442.

It is an arithmetic number, because the mean of its divisors is an integer number (1698786).

Almost surely, 2^12457698 is an apocalyptic number.

12457698 is an abundant number, since it is smaller than the sum of its proper divisors (14722878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12457698 is a wasteful number, since it uses less digits than its factorization.

12457698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188769.

The product of its digits is 120960, while the sum is 42.

The square root of 12457698 is about 3529.5464297839. The cubic root of 12457698 is about 231.8173478143.

The spelling of 12457698 in words is "twelve million, four hundred fifty-seven thousand, six hundred ninety-eight".