1269798 has 32 divisors (see below), whose sum is σ = 2747520. Its totient is φ = 389760.

The previous prime is 1269797. The next prime is 1269847. The reversal of 1269798 is 8979621.

It is a super-2 number, since 2×1269798² = 3224773921608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5913 + ... + 6123.

It is an arithmetic number, because the mean of its divisors is an integer number (85860).

2^1269798 is an apocalyptic number.

1269798 is an abundant number, since it is smaller than the sum of its proper divisors (1477722).

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

1269798 is a wasteful number, since it uses less digits than its factorization.

1269798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

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

The square root of 1269798 is about 1126.8531403870. The cubic root of 1269798 is about 108.2874714488.

The spelling of 1269798 in words is "one million, two hundred sixty-nine thousand, seven hundred ninety-eight".