12397245 has 48 divisors (see below), whose sum is σ = 23442048. Its totient is φ = 5577600.

The previous prime is 12397243. The next prime is 12397249. The reversal of 12397245 is 54279321.

It is not a de Polignac number, because 12397245 - 2¹ = 12397243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74152 + ... + 74318.

It is an arithmetic number, because the mean of its divisors is an integer number (488376).

Almost surely, 2^12397245 is an apocalyptic number.

12397245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12397245 is a deficient number, since it is larger than the sum of its proper divisors (11044803).

12397245 is a wasteful number, since it uses less digits than its factorization.

12397245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 283 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 12397245 is about 3520.9721668880. The cubic root of 12397245 is about 231.4417625355.

The spelling of 12397245 in words is "twelve million, three hundred ninety-seven thousand, two hundred forty-five".