1227896 has 8 divisors (see below), whose sum is σ = 2302320. Its totient is φ = 613944.

The previous prime is 1227887. The next prime is 1227911. The reversal of 1227896 is 6987221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 76736 + ... + 76751.

It is an arithmetic number, because the mean of its divisors is an integer number (287790).

2^1227896 is an apocalyptic number.

It is an amenable number.

1227896 is a deficient number, since it is larger than the sum of its proper divisors (1074424).

1227896 is a wasteful number, since it uses less digits than its factorization.

1227896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153493 (or 153489 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 1227896 is about 1108.1046881951. The cubic root of 1227896 is about 107.0829996238.

The spelling of 1227896 in words is "one million, two hundred twenty-seven thousand, eight hundred ninety-six".