12504051 has 24 divisors (see below), whose sum is σ = 21409024. Its totient is φ = 7144200.

The previous prime is 12504049. The next prime is 12504053. The reversal of 12504051 is 15040521.

It is an interprime number because it is at equal distance from previous prime (12504049) and next prime (12504053).

It is not a de Polignac number, because 12504051 - 2¹ = 12504049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12504053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1975 + ... + 5376.

Almost surely, 2^12504051 is an apocalyptic number.

12504051 is a deficient number, since it is larger than the sum of its proper divisors (8904973).

12504051 is an frugal number, since it uses more digits than its factorization.

12504051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373 (or 7361 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12504051 is about 3536.1067574382. The cubic root of 12504051 is about 232.1045097413.

Adding to 12504051 its reverse (15040521), we get a palindrome (27544572).

It can be divided in two parts, 1 and 2504051, that added together give a palindrome (2504052).

The spelling of 12504051 in words is "twelve million, five hundred four thousand, fifty-one".