12397450 has 24 divisors (see below), whose sum is σ = 24834348. Its totient is φ = 4577280.

The previous prime is 12397417. The next prime is 12397453. The reversal of 12397450 is 5479321.

It can be written as a sum of positive squares in 6 ways, for example, as 154449 + 12243001 = 393^2 + 3499^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12397453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8887 + ... + 10186.

Almost surely, 2^12397450 is an apocalyptic number.

12397450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12397450 is an abundant number, since it is smaller than the sum of its proper divisors (12436898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12397450 is a wasteful number, since it uses less digits than its factorization.

12397450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19098 (or 19093 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12397450 is about 3521.0012780458. The cubic root of 12397450 is about 231.4430382302.

The spelling of 12397450 in words is "twelve million, three hundred ninety-seven thousand, four hundred fifty".