12375247 has 4 divisors (see below), whose sum is σ = 12385440. Its totient is φ = 12365056.

The previous prime is 12375221. The next prime is 12375263. The reversal of 12375247 is 74257321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12375247 is a prime.

It is a super-2 number, since 2×12375247² = 306293476622018, 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 (12375287) 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, 2983 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (3096360).

Almost surely, 2^12375247 is an apocalyptic number.

12375247 is a deficient number, since it is larger than the sum of its proper divisors (10193).

12375247 is an equidigital number, since it uses as much as digits as its factorization.

12375247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192.

The product of its digits is 11760, while the sum is 31.

The square root of 12375247 is about 3517.8469267437. The cubic root of 12375247 is about 231.3047893554.

It can be divided in two parts, 1237524 and 7, that multiplied together give a palindrome (8662668).

The spelling of 12375247 in words is "twelve million, three hundred seventy-five thousand, two hundred forty-seven".