12485237 has 4 divisors (see below), whose sum is σ = 12557580. Its totient is φ = 12412896.

The previous prime is 12485233. The next prime is 12485267. The reversal of 12485237 is 73258421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5885476 + 6599761 = 2426^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 12485237 - 2² = 12485233 is a prime.

It is a super-2 number, since 2×12485237² = 311762285892338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35912 + ... + 36257.

It is an arithmetic number, because the mean of its divisors is an integer number (3139395).

Almost surely, 2^12485237 is an apocalyptic number.

It is an amenable number.

12485237 is a deficient number, since it is larger than the sum of its proper divisors (72343).

12485237 is an equidigital number, since it uses as much as digits as its factorization.

12485237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72342.

The product of its digits is 13440, while the sum is 32.

The square root of 12485237 is about 3533.4454856415. The cubic root of 12485237 is about 231.9880406538.

The spelling of 12485237 in words is "twelve million, four hundred eighty-five thousand, two hundred thirty-seven".