12501015 has 16 divisors (see below), whose sum is σ = 20069088. Its totient is φ = 6644736.

The previous prime is 12500989. The next prime is 12501019. The reversal of 12501015 is 51010521.

12501015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12501015 - 2¹⁷ = 12369943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 12500985 and 12501003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819 + ... + 6291.

It is an arithmetic number, because the mean of its divisors is an integer number (1254318).

Almost surely, 2^12501015 is an apocalyptic number.

12501015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12501015 is a deficient number, since it is larger than the sum of its proper divisors (7568073).

12501015 is a wasteful number, since it uses less digits than its factorization.

12501015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 12501015 is about 3535.6774456955. The cubic root of 12501015 is about 232.0857231275.

Adding to 12501015 its reverse (51010521), we get a palindrome (63511536).

The spelling of 12501015 in words is "twelve million, five hundred one thousand, fifteen".