12499970 has 16 divisors (see below), whose sum is σ = 25714368. Its totient is φ = 4285680.

The previous prime is 12499919. The next prime is 12499987. The reversal of 12499970 is 7999421.

It is a happy number.

12499970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89216 + ... + 89355.

It is an arithmetic number, because the mean of its divisors is an integer number (1607148).

Almost surely, 2^12499970 is an apocalyptic number.

12499970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12499970 is an abundant number, since it is smaller than the sum of its proper divisors (13214398).

12499970 is a wasteful number, since it uses less digits than its factorization.

12499970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178585.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 12499970 is about 3535.5296632895. The cubic root of 12499970 is about 232.0792560169.

The spelling of 12499970 in words is "twelve million, four hundred ninety-nine thousand, nine hundred seventy".