1397212 has 6 divisors (see below), whose sum is σ = 2445128. Its totient is φ = 698604.

The previous prime is 1397189. The next prime is 1397219. The reversal of 1397212 is 2127931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174648 + ... + 174655.

2^1397212 is an apocalyptic number.

It is an amenable number.

1397212 is a deficient number, since it is larger than the sum of its proper divisors (1047916).

1397212 is a wasteful number, since it uses less digits than its factorization.

1397212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349307 (or 349305 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 1397212 is about 1182.0372244562. The cubic root of 1397212 is about 111.7945852219.

The spelling of 1397212 in words is "one million, three hundred ninety-seven thousand, two hundred twelve".