1292886 has 48 divisors (see below), whose sum is σ = 3314688. Its totient is φ = 356400.

The previous prime is 1292857. The next prime is 1292887. The reversal of 1292886 is 6882921.

It is a self number, because there is not a number n which added to its sum of digits gives 1292886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3741 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (69056).

2^1292886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1292886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657344).

1292886 is an abundant number, since it is smaller than the sum of its proper divisors (2021802).

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

1292886 is a wasteful number, since it uses less digits than its factorization.

1292886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 374 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1292886 is about 1137.0514500233. The cubic root of 1292886 is about 108.9398427978.

The spelling of 1292886 in words is "one million, two hundred ninety-two thousand, eight hundred eighty-six".