12507263 has 4 divisors (see below), whose sum is σ = 13165560. Its totient is φ = 11848968.

The previous prime is 12507251. The next prime is 12507269. The reversal of 12507263 is 36270521.

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

It is a cyclic number.

It is not a de Polignac number, because 12507263 - 2⁴ = 12507247 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 (12507269) 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 3 ways as a sum of consecutive naturals, for example, 329120 + ... + 329157.

It is an arithmetic number, because the mean of its divisors is an integer number (3291390).

Almost surely, 2^12507263 is an apocalyptic number.

12507263 is a deficient number, since it is larger than the sum of its proper divisors (658297).

12507263 is an equidigital number, since it uses as much as digits as its factorization.

12507263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658296.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 12507263 is about 3536.5609000836. The cubic root of 12507263 is about 232.1243821240.

Adding to 12507263 its reverse (36270521), we get a palindrome (48777784).

The spelling of 12507263 in words is "twelve million, five hundred seven thousand, two hundred sixty-three".