12500030 has 8 divisors (see below), whose sum is σ = 22500072. Its totient is φ = 5000008.

The previous prime is 12500029. The next prime is 12500069. The reversal of 12500030 is 3000521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12499984 and 12500020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624992 + ... + 625011.

It is an arithmetic number, because the mean of its divisors is an integer number (2812509).

Almost surely, 2^12500030 is an apocalyptic number.

12500030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500030 is a deficient number, since it is larger than the sum of its proper divisors (10000042).

12500030 is a wasteful number, since it uses less digits than its factorization.

12500030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250010.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 12500030 is about 3535.5381485709. The cubic root of 12500030 is about 232.0796273440.

Adding to 12500030 its reverse (3000521), we get a palindrome (15500551).

The spelling of 12500030 in words is "twelve million, five hundred thousand, thirty".