1396719 has 6 divisors (see below), whose sum is σ = 2017496. Its totient is φ = 931140.

The previous prime is 1396711. The next prime is 1396723. The reversal of 1396719 is 9176931.

It is not a de Polignac number, because 1396719 - 2³ = 1396711 is a prime.

It is a super-2 number, since 2×1396719² = 3901647929922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77587 + ... + 77604.

2^1396719 is an apocalyptic number.

1396719 is a deficient number, since it is larger than the sum of its proper divisors (620777).

1396719 is a wasteful number, since it uses less digits than its factorization.

1396719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155197 (or 155194 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1396719 is about 1181.8286677856. The cubic root of 1396719 is about 111.7814349354.

The spelling of 1396719 in words is "one million, three hundred ninety-six thousand, seven hundred nineteen".