1378276 has 9 divisors (see below), whose sum is σ = 2416099. Its totient is φ = 687964.

The previous prime is 1378271. The next prime is 1378277. The reversal of 1378276 is 6728731.

The square root of 1378276 is 1174.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378271) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2055 + ... + 2641.

2^1378276 is an apocalyptic number.

1378276 is the 1174-th square number.

It is an amenable number.

1378276 is a deficient number, since it is larger than the sum of its proper divisors (1037823).

1378276 is an frugal number, since it uses more digits than its factorization.

1378276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 589 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The cubic root of 1378276 is about 111.2872467128.

The spelling of 1378276 in words is "one million, three hundred seventy-eight thousand, two hundred seventy-six".