1295838 has 40 divisors (see below), whose sum is σ = 3063720. Its totient is φ = 408240.

The previous prime is 1295813. The next prime is 1295839. The reversal of 1295838 is 8385921.

It is a super-2 number, since 2×1295838² = 3358392244488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2868 + ... + 3288.

It is an arithmetic number, because the mean of its divisors is an integer number (76593).

2^1295838 is an apocalyptic number.

1295838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1295838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531860).

1295838 is an abundant number, since it is smaller than the sum of its proper divisors (1767882).

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

1295838 is a wasteful number, since it uses less digits than its factorization.

1295838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 445 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1295838 is about 1138.3488041896. The cubic root of 1295838 is about 109.0226925791.

It can be divided in two parts, 12958 and 38, that added together give a square (12996 = 114²).

The spelling of 1295838 in words is "one million, two hundred ninety-five thousand, eight hundred thirty-eight".