1312350725 has 12 divisors (see below), whose sum is σ = 1859788704. Its totient is φ = 899897520.

The previous prime is 1312350719. The next prime is 1312350737. The reversal of 1312350725 is 5270532131.

It is not a de Polignac number, because 1312350725 - 2¹⁶ = 1312285189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 3749399 + ... + 3749748.

It is an arithmetic number, because the mean of its divisors is an integer number (154982392).

Almost surely, 2^1312350725 is an apocalyptic number.

It is an amenable number.

1312350725 is a deficient number, since it is larger than the sum of its proper divisors (547437979).

1312350725 is an equidigital number, since it uses as much as digits as its factorization.

1312350725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7499164 (or 7499159 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1312350725 is about 36226.3816161648. The cubic root of 1312350725 is about 1094.8382752891.

Adding to 1312350725 its reverse (5270532131), we get a palindrome (6582882856).

The spelling of 1312350725 in words is "one billion, three hundred twelve million, three hundred fifty thousand, seven hundred twenty-five".