12397370 has 8 divisors (see below), whose sum is σ = 22315284. Its totient is φ = 4958944.

The previous prime is 12397351. The next prime is 12397379. The reversal of 12397370 is 7379321.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 1181569 = 3349^2 + 1087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12397379) 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, 619859 + ... + 619878.

Almost surely, 2^12397370 is an apocalyptic number.

12397370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12397370 is a deficient number, since it is larger than the sum of its proper divisors (9917914).

12397370 is a wasteful number, since it uses less digits than its factorization.

12397370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239744.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 12397370 is about 3520.9899176226. The cubic root of 12397370 is about 231.4425403998.

The spelling of 12397370 in words is "twelve million, three hundred ninety-seven thousand, three hundred seventy".