1381612 has 12 divisors (see below), whose sum is σ = 2469600. Its totient is φ = 676016.

The previous prime is 1381609. The next prime is 1381613. The reversal of 1381612 is 2161831.

It is not an unprimeable number, because it can be changed into a prime (1381613) 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, 3487 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (205800).

2^1381612 is an apocalyptic number.

It is an amenable number.

1381612 is a deficient number, since it is larger than the sum of its proper divisors (1087988).

1381612 is a wasteful number, since it uses less digits than its factorization.

1381612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7398 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 1381612 is about 1175.4199249630. The cubic root of 1381612 is about 111.3769614790.

The spelling of 1381612 in words is "one million, three hundred eighty-one thousand, six hundred twelve".