1325898 has 48 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 355968.

The previous prime is 1325873. The next prime is 1325903. The reversal of 1325898 is 8985231.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1833 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2^1325898 is an apocalyptic number.

1325898 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 1325898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740960).

1325898 is an abundant number, since it is smaller than the sum of its proper divisors (2156022).

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

1325898 is a wasteful number, since it uses less digits than its factorization.

1325898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

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

The square root of 1325898 is about 1151.4764435280. The cubic root of 1325898 is about 109.8592690654.

The spelling of 1325898 in words is "one million, three hundred twenty-five thousand, eight hundred ninety-eight".