1351312 has 10 divisors (see below), whose sum is σ = 2618198. Its totient is φ = 675648.

The previous prime is 1351309. The next prime is 1351327. The reversal of 1351312 is 2131531.

It can be written as a sum of positive squares in only one way, i.e., 1218816 + 132496 = 1104^2 + 364^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 84457 = 1351312 / (1 + 3 + 5 + 1 + 3 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42213 + ... + 42244.

2^1351312 is an apocalyptic number.

It is an amenable number.

1351312 is a deficient number, since it is larger than the sum of its proper divisors (1266886).

1351312 is an equidigital number, since it uses as much as digits as its factorization.

1351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84465 (or 84459 counting only the distinct ones).

The product of its digits is 90, while the sum is 16.

The square root of 1351312 is about 1162.4594616588. The cubic root of 1351312 is about 110.5567366953.

Adding to 1351312 its reverse (2131531), we get a palindrome (3482843).

The spelling of 1351312 in words is "one million, three hundred fifty-one thousand, three hundred twelve".