12524287 has 4 divisors (see below), whose sum is σ = 13183480. Its totient is φ = 11865096.

The previous prime is 12524269. The next prime is 12524293. The reversal of 12524287 is 78242521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78242521 = 7 ⋅11177503.

It is a cyclic number.

It is not a de Polignac number, because 12524287 - 2¹¹ = 12522239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12524207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329568 + ... + 329605.

It is an arithmetic number, because the mean of its divisors is an integer number (3295870).

Almost surely, 2^12524287 is an apocalyptic number.

12524287 is a deficient number, since it is larger than the sum of its proper divisors (659193).

12524287 is an equidigital number, since it uses as much as digits as its factorization.

12524287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659192.

The product of its digits is 8960, while the sum is 31.

The square root of 12524287 is about 3538.9669396591. The cubic root of 12524287 is about 232.2296514627.

The spelling of 12524287 in words is "twelve million, five hundred twenty-four thousand, two hundred eighty-seven".