12245957 has 4 divisors (see below), whose sum is σ = 12253920. Its totient is φ = 12237996.

The previous prime is 12245953. The next prime is 12245971. The reversal of 12245957 is 75954221.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75954221 = 7 ⋅10850603.

It is a cyclic number.

It is not a de Polignac number, because 12245957 - 2² = 12245953 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 (12245951) 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, 857 + ... + 5022.

It is an arithmetic number, because the mean of its divisors is an integer number (3063480).

Almost surely, 2^12245957 is an apocalyptic number.

It is an amenable number.

12245957 is a deficient number, since it is larger than the sum of its proper divisors (7963).

12245957 is an equidigital number, since it uses as much as digits as its factorization.

12245957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962.

The product of its digits is 25200, while the sum is 35.

The square root of 12245957 is about 3499.4223809080. The cubic root of 12245957 is about 230.4964512764.

The spelling of 12245957 in words is "twelve million, two hundred forty-five thousand, nine hundred fifty-seven".