12042501 has 32 divisors (see below), whose sum is σ = 17729280. Its totient is φ = 7248384.

The previous prime is 12042491. The next prime is 12042517. The reversal of 12042501 is 10524021.

It is not a de Polignac number, because 12042501 - 2⁵ = 12042469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135265 + ... + 135353.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

Almost surely, 2^12042501 is an apocalyptic number.

It is an amenable number.

12042501 is a deficient number, since it is larger than the sum of its proper divisors (5686779).

12042501 is a wasteful number, since it uses less digits than its factorization.

12042501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12042501 is about 3470.2306839748. The cubic root of 12042501 is about 229.2128161530.

Adding to 12042501 its reverse (10524021), we get a palindrome (22566522).

The spelling of 12042501 in words is "twelve million, forty-two thousand, five hundred one".