1265798 has 8 divisors (see below), whose sum is σ = 1904040. Its totient is φ = 631120.

The previous prime is 1265779. The next prime is 1265801. The reversal of 1265798 is 8975621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (238005).

2^1265798 is an apocalyptic number.

1265798 is a deficient number, since it is larger than the sum of its proper divisors (638242).

1265798 is a wasteful number, since it uses less digits than its factorization.

1265798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its digits is 30240, while the sum is 38.

The square root of 1265798 is about 1125.0768862616. The cubic root of 1265798 is about 108.1736461248.

The spelling of 1265798 in words is "one million, two hundred sixty-five thousand, seven hundred ninety-eight".