1320319 has 16 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 948960.

The previous prime is 1320307. The next prime is 1320331. The reversal of 1320319 is 9130231.

It is an interprime number because it is at equal distance from previous prime (1320307) and next prime (1320331).

It is a cyclic number.

It is not a de Polignac number, because 1320319 - 2⁵ = 1320287 is a prime.

It is a super-2 number, since 2×1320319² = 3486484523522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320296 and 1320305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1320319 is an apocalyptic number.

1320319 is a deficient number, since it is larger than the sum of its proper divisors (453761).

1320319 is a wasteful number, since it uses less digits than its factorization.

1320319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1320319 is about 1149.0513478518. The cubic root of 1320319 is about 109.7049669697.

The spelling of 1320319 in words is "one million, three hundred twenty thousand, three hundred nineteen".