12491298 has 12 divisors (see below), whose sum is σ = 27064518. Its totient is φ = 4163760.

The previous prime is 12491273. The next prime is 12491299. The reversal of 12491298 is 89219421.

12491298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 815409 = 3417^2 + 903^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12491299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 346963 + ... + 346998.

Almost surely, 2^12491298 is an apocalyptic number.

12491298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12491298 is an abundant number, since it is smaller than the sum of its proper divisors (14573220).

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

12491298 is a wasteful number, since it uses less digits than its factorization.

12491298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693969 (or 693966 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 12491298 is about 3534.3030430341. The cubic root of 12491298 is about 232.0255743706.

The spelling of 12491298 in words is "twelve million, four hundred ninety-one thousand, two hundred ninety-eight".