1252346 has 4 divisors (see below), whose sum is σ = 1878522. Its totient is φ = 626172.

The previous prime is 1252343. The next prime is 1252357. The reversal of 1252346 is 6432521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6432521 = 2069 ⋅3109.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 96721 = 1075^2 + 311^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1252343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313085 + ... + 313088.

2^1252346 is an apocalyptic number.

1252346 is a deficient number, since it is larger than the sum of its proper divisors (626176).

1252346 is an equidigital number, since it uses as much as digits as its factorization.

1252346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626175.

The product of its digits is 1440, while the sum is 23.

The square root of 1252346 is about 1119.0826600390. The cubic root of 1252346 is about 107.7890831030.

Adding to 1252346 its reverse (6432521), we get a palindrome (7684867).

The spelling of 1252346 in words is "one million, two hundred fifty-two thousand, three hundred forty-six".