12501305 has 8 divisors (see below), whose sum is σ = 15653952. Its totient is φ = 9566128.

The previous prime is 12501283. The next prime is 12501311. The reversal of 12501305 is 50310521.

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

It is a cyclic number.

It is not a de Polignac number, because 12501305 - 2¹² = 12497209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54239 + ... + 54468.

It is an arithmetic number, because the mean of its divisors is an integer number (1956744).

Almost surely, 2^12501305 is an apocalyptic number.

It is an amenable number.

12501305 is a deficient number, since it is larger than the sum of its proper divisors (3152647).

12501305 is a wasteful number, since it uses less digits than its factorization.

12501305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108735.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 12501305 is about 3535.7184559860. The cubic root of 12501305 is about 232.0875177642.

Adding to 12501305 its reverse (50310521), we get a palindrome (62811826).

The spelling of 12501305 in words is "twelve million, five hundred one thousand, three hundred five".