1378652 has 12 divisors (see below), whose sum is σ = 2632056. Its totient is φ = 626640.

The previous prime is 1378639. The next prime is 1378669. The reversal of 1378652 is 2568731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15623 + ... + 15710.

It is an arithmetic number, because the mean of its divisors is an integer number (219338).

2^1378652 is an apocalyptic number.

It is an amenable number.

1378652 is a deficient number, since it is larger than the sum of its proper divisors (1253404).

1378652 is a wasteful number, since it uses less digits than its factorization.

1378652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31348 (or 31346 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 1378652 is about 1174.1601253662. The cubic root of 1378652 is about 111.2973656827.

The spelling of 1378652 in words is "one million, three hundred seventy-eight thousand, six hundred fifty-two".