12298040 has 16 divisors (see below), whose sum is σ = 27670680. Its totient is φ = 4919200.

The previous prime is 12298007. The next prime is 12298049. The reversal of 12298040 is 4089221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12298049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153686 + ... + 153765.

Almost surely, 2^12298040 is an apocalyptic number.

12298040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12298040 is an abundant number, since it is smaller than the sum of its proper divisors (15372640).

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

12298040 is a wasteful number, since it uses less digits than its factorization.

12298040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307462 (or 307458 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12298040 is about 3506.8561419026. The cubic root of 12298040 is about 230.8227621683.

The spelling of 12298040 in words is "twelve million, two hundred ninety-eight thousand, forty".