12474745 has 4 divisors (see below), whose sum is σ = 14969700. Its totient is φ = 9979792.

The previous prime is 12474743. The next prime is 12474757. The reversal of 12474745 is 54747421.

It is a happy number.

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 5308416 + 7166329 = 2304^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 12474745 - 2¹ = 12474743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12474745.

It is not an unprimeable number, because it can be changed into a prime (12474743) 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, 1247470 + ... + 1247479.

It is an arithmetic number, because the mean of its divisors is an integer number (3742425).

Almost surely, 2^12474745 is an apocalyptic number.

It is an amenable number.

12474745 is a deficient number, since it is larger than the sum of its proper divisors (2494955).

12474745 is an equidigital number, since it uses as much as digits as its factorization.

12474745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494954.

The product of its digits is 31360, while the sum is 34.

The square root of 12474745 is about 3531.9605037429. The cubic root of 12474745 is about 231.9230385330.

The spelling of 12474745 in words is "twelve million, four hundred seventy-four thousand, seven hundred forty-five".