1312450 has 12 divisors (see below), whose sum is σ = 2441250. Its totient is φ = 524960.

The previous prime is 1312411. The next prime is 1312459. The reversal of 1312450 is 542131.

It can be written as a sum of positive squares in 3 ways, for example, as 1121481 + 190969 = 1059^2 + 437^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1312459) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13075 + ... + 13174.

2^1312450 is an apocalyptic number.

1312450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312450 is a deficient number, since it is larger than the sum of its proper divisors (1128800).

1312450 is a wasteful number, since it uses less digits than its factorization.

1312450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26261 (or 26256 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1312450 is about 1145.6221017421. The cubic root of 1312450 is about 109.4865881560.

Adding to 1312450 its reverse (542131), we get a palindrome (1854581).

The spelling of 1312450 in words is "one million, three hundred twelve thousand, four hundred fifty".