1318400 has 60 divisors (see below), whose sum is σ = 3298152. Its totient is φ = 522240.

The previous prime is 1318379. The next prime is 1318409. The reversal of 1318400 is 48131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12749 + ... + 12851.

2^1318400 is an apocalyptic number.

1318400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649076).

1318400 is an abundant number, since it is smaller than the sum of its proper divisors (1979752).

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

1318400 is an equidigital number, since it uses as much as digits as its factorization.

1318400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1318400 is about 1148.2160075526. The cubic root of 1318400 is about 109.6517914597.

The spelling of 1318400 in words is "one million, three hundred eighteen thousand, four hundred".