12501145 has 8 divisors (see below), whose sum is σ = 15791040. Its totient is φ = 9474480.

The previous prime is 12501067. The next prime is 12501169. The reversal of 12501145 is 54110521.

12501145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12501145 - 2¹⁵ = 12468377 is a prime.

It is a super-2 number, since 2×12501145² = 312557252622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 65701 + ... + 65890.

It is an arithmetic number, because the mean of its divisors is an integer number (1973880).

Almost surely, 2^12501145 is an apocalyptic number.

It is an amenable number.

12501145 is a deficient number, since it is larger than the sum of its proper divisors (3289895).

12501145 is a wasteful number, since it uses less digits than its factorization.

12501145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131615.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 12501145 is about 3535.6958296777. The cubic root of 12501145 is about 232.0865276232.

Adding to 12501145 its reverse (54110521), we get a palindrome (66611666).

The spelling of 12501145 in words is "twelve million, five hundred one thousand, one hundred forty-five".