12397774 has 8 divisors (see below), whose sum is σ = 18647640. Its totient is φ = 6181896.

The previous prime is 12397771. The next prime is 12397787. The reversal of 12397774 is 47779321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397771) 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, 7564 + ... + 9055.

It is an arithmetic number, because the mean of its divisors is an integer number (2330955).

Almost surely, 2^12397774 is an apocalyptic number.

12397774 is a deficient number, since it is larger than the sum of its proper divisors (6249866).

12397774 is a wasteful number, since it uses less digits than its factorization.

12397774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994.

The product of its digits is 74088, while the sum is 40.

The square root of 12397774 is about 3521.0472873848. The cubic root of 12397774 is about 231.4450544215.

The spelling of 12397774 in words is "twelve million, three hundred ninety-seven thousand, seven hundred seventy-four".