1298436 has 12 divisors (see below), whose sum is σ = 3029712. Its totient is φ = 432808.

The previous prime is 1298387. The next prime is 1298467. The reversal of 1298436 is 6348921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1298397 and 1298406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54090 + ... + 54113.

It is an arithmetic number, because the mean of its divisors is an integer number (252476).

2^1298436 is an apocalyptic number.

It is an amenable number.

1298436 is an abundant number, since it is smaller than the sum of its proper divisors (1731276).

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

1298436 is a wasteful number, since it uses less digits than its factorization.

1298436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108210 (or 108208 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1298436 is about 1139.4893593185. The cubic root of 1298436 is about 109.0955030894.

The spelling of 1298436 in words is "one million, two hundred ninety-eight thousand, four hundred thirty-six".