1291596 has 24 divisors (see below), whose sum is σ = 3096240. Its totient is φ = 418752.

The previous prime is 1291579. The next prime is 1291603. The reversal of 1291596 is 6951921.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (129010).

2^1291596 is an apocalyptic number.

It is an amenable number.

1291596 is an abundant number, since it is smaller than the sum of its proper divisors (1804644).

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

1291596 is a wasteful number, since it uses less digits than its factorization.

1291596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953 (or 2951 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 1291596 is about 1136.4840518019. The cubic root of 1291596 is about 108.9035985188.

The spelling of 1291596 in words is "one million, two hundred ninety-one thousand, five hundred ninety-six".