1321596 has 30 divisors (see below), whose sum is σ = 3455760. Its totient is φ = 440424.

The previous prime is 1321589. The next prime is 1321601. The reversal of 1321596 is 6951231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1716 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (115192).

2^1321596 is an apocalyptic number.

It is an amenable number.

1321596 is an abundant number, since it is smaller than the sum of its proper divisors (2134164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321596 is a wasteful number, since it uses less digits than its factorization.

1321596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095 (or 4084 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 1321596 is about 1149.6068893322. The cubic root of 1321596 is about 109.7403241072.

It can be divided in two parts, 132 and 1596, that added together give a cube (1728 = 12³).

The spelling of 1321596 in words is "one million, three hundred twenty-one thousand, five hundred ninety-six".