12357245 has 4 divisors (see below), whose sum is σ = 14828700. Its totient is φ = 9885792.

The previous prime is 12357229. The next prime is 12357253. The reversal of 12357245 is 54275321.

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: 54275321 = 1103 ⋅49207.

It can be written as a sum of positive squares in 2 ways, for example, as 3345241 + 9012004 = 1829^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 12357245 - 2⁴ = 12357229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235720 + ... + 1235729.

It is an arithmetic number, because the mean of its divisors is an integer number (3707175).

Almost surely, 2^12357245 is an apocalyptic number.

It is an amenable number.

12357245 is a deficient number, since it is larger than the sum of its proper divisors (2471455).

12357245 is an equidigital number, since it uses as much as digits as its factorization.

12357245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471454.

The product of its digits is 8400, while the sum is 29.

The square root of 12357245 is about 3515.2873282280. The cubic root of 12357245 is about 231.1925769279.

The spelling of 12357245 in words is "twelve million, three hundred fifty-seven thousand, two hundred forty-five".