12397746 has 16 divisors (see below), whose sum is σ = 24945984. Its totient is φ = 4107504.

The previous prime is 12397739. The next prime is 12397753. The reversal of 12397746 is 64779321.

It is an interprime number because it is at equal distance from previous prime (12397739) and next prime (12397753).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5185 + ... + 7188.

It is an arithmetic number, because the mean of its divisors is an integer number (1559124).

Almost surely, 2^12397746 is an apocalyptic number.

12397746 is an abundant number, since it is smaller than the sum of its proper divisors (12548238).

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

12397746 is a wasteful number, since it uses less digits than its factorization.

12397746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12545.

The product of its digits is 63504, while the sum is 39.

The square root of 12397746 is about 3521.0433112928. The cubic root of 12397746 is about 231.4448801841. Note that the first 3 decimals are identical.

The spelling of 12397746 in words is "twelve million, three hundred ninety-seven thousand, seven hundred forty-six".