1396699 has 4 divisors (see below), whose sum is σ = 1426464. Its totient is φ = 1366936.

The previous prime is 1396697. The next prime is 1396711. The reversal of 1396699 is 9966931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9966931 = 13 ⋅766687.

It is a cyclic number.

It is not a de Polignac number, because 1396699 - 2¹ = 1396697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396691) 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, 14812 + ... + 14905.

It is an arithmetic number, because the mean of its divisors is an integer number (356616).

2^1396699 is an apocalyptic number.

1396699 is a deficient number, since it is larger than the sum of its proper divisors (29765).

1396699 is an equidigital number, since it uses as much as digits as its factorization.

1396699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764.

The product of its digits is 78732, while the sum is 43.

The square root of 1396699 is about 1181.8202062920. The cubic root of 1396699 is about 111.7809013899.

The spelling of 1396699 in words is "one million, three hundred ninety-six thousand, six hundred ninety-nine".