1279896 has 32 divisors (see below), whose sum is σ = 3389040. Its totient is φ = 401408.

The previous prime is 1279877. The next prime is 1279907. The reversal of 1279896 is 6989721.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161 + ... + 1976.

2^1279896 is an apocalyptic number.

It is an amenable number.

1279896 is an abundant number, since it is smaller than the sum of its proper divisors (2109144).

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

1279896 is a wasteful number, since it uses less digits than its factorization.

1279896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163 (or 3159 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 1279896 is about 1131.3248870241. The cubic root of 1279896 is about 108.5737639651.

The spelling of 1279896 in words is "one million, two hundred seventy-nine thousand, eight hundred ninety-six".