1380212 has 12 divisors (see below), whose sum is σ = 2443140. Its totient is φ = 682176.

The previous prime is 1380199. The next prime is 1380221. The reversal of 1380212 is 2120831.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 1073296 = 554^2 + 1036^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (203595).

2^1380212 is an apocalyptic number.

It is an amenable number.

1380212 is a deficient number, since it is larger than the sum of its proper divisors (1062928).

1380212 is a wasteful number, since it uses less digits than its factorization.

1380212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3968 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1380212 is about 1174.8242421741. The cubic root of 1380212 is about 111.3393290025.

The spelling of 1380212 in words is "one million, three hundred eighty thousand, two hundred twelve".