1378714 has 4 divisors (see below), whose sum is σ = 2068074. Its totient is φ = 689356.

The previous prime is 1378703. The next prime is 1378721. The reversal of 1378714 is 4178731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4178731 = 1283 ⋅3257.

It can be written as a sum of positive squares in only one way, i.e., 765625 + 613089 = 875^2 + 783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344677 + ... + 344680.

2^1378714 is an apocalyptic number.

1378714 is a deficient number, since it is larger than the sum of its proper divisors (689360).

1378714 is an equidigital number, since it uses as much as digits as its factorization.

1378714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689359.

The product of its digits is 4704, while the sum is 31.

The square root of 1378714 is about 1174.1865269198. The cubic root of 1378714 is about 111.2990340596.

The spelling of 1378714 in words is "one million, three hundred seventy-eight thousand, seven hundred fourteen".