1313450 has 24 divisors (see below), whose sum is σ = 2475660. Its totient is φ = 518400.

The previous prime is 1313449. The next prime is 1313453. The reversal of 1313450 is 543131.

It can be written as a sum of positive squares in 6 ways, for example, as 776161 + 537289 = 881^2 + 733^2 .

It is a Curzon number.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1313453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5330 + ... + 5570.

2^1313450 is an apocalyptic number.

1313450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313450 is a deficient number, since it is larger than the sum of its proper divisors (1162210).

1313450 is a wasteful number, since it uses less digits than its factorization.

1313450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1313450 is about 1146.0584627322. The cubic root of 1313450 is about 109.5143882735.

Adding to 1313450 its reverse (543131), we get a palindrome (1856581).

The spelling of 1313450 in words is "one million, three hundred thirteen thousand, four hundred fifty".