1291496 has 16 divisors (see below), whose sum is σ = 2527200. Its totient is φ = 617584.

The previous prime is 1291489. The next prime is 1291501. The reversal of 1291496 is 6941921.

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 3 ways as a sum of consecutive naturals, for example, 3326 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

2^1291496 is an apocalyptic number.

It is an amenable number.

1291496 is a deficient number, since it is larger than the sum of its proper divisors (1235704).

1291496 is a wasteful number, since it uses less digits than its factorization.

1291496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048 (or 7044 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 1291496 is about 1136.4400556123. The cubic root of 1291496 is about 108.9007878770.

The spelling of 1291496 in words is "one million, two hundred ninety-one thousand, four hundred ninety-six".