12498740 has 24 divisors (see below), whose sum is σ = 27792072. Its totient is φ = 4705280.

The previous prime is 12498719. The next prime is 12498749. The reversal of 12498740 is 4789421.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 12348196 = 388^2 + 3514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12498740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12498749) 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, 18041 + ... + 18720.

It is an arithmetic number, because the mean of its divisors is an integer number (1158003).

Almost surely, 2^12498740 is an apocalyptic number.

12498740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12498740 is an abundant number, since it is smaller than the sum of its proper divisors (15293332).

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

12498740 is a wasteful number, since it uses less digits than its factorization.

12498740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36787 (or 36785 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12498740 is about 3535.3557105332. The cubic root of 12498740 is about 232.0716435494.

The spelling of 12498740 in words is "twelve million, four hundred ninety-eight thousand, seven hundred forty".