12507249 has 4 divisors (see below), whose sum is σ = 16676336. Its totient is φ = 8338164.

The previous prime is 12507247. The next prime is 12507251. The reversal of 12507249 is 94270521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12507247) and next prime (12507251).

It is not a de Polignac number, because 12507249 - 2¹ = 12507247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12507241) 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, 2084539 + ... + 2084544.

It is an arithmetic number, because the mean of its divisors is an integer number (4169084).

Almost surely, 2^12507249 is an apocalyptic number.

It is an amenable number.

12507249 is a deficient number, since it is larger than the sum of its proper divisors (4169087).

12507249 is an equidigital number, since it uses as much as digits as its factorization.

12507249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169086.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12507249 is about 3536.5589207590. The cubic root of 12507249 is about 232.1242955145.

The spelling of 12507249 in words is "twelve million, five hundred seven thousand, two hundred forty-nine".