1326607725 has 12 divisors (see below), whose sum is σ = 2193324896. Its totient is φ = 707524080.

The previous prime is 1326607693. The next prime is 1326607727. The reversal of 1326607725 is 5277066231.

It is not a de Polignac number, because 1326607725 - 2⁵ = 1326607693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326607727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8843977 + ... + 8844126.

Almost surely, 2^1326607725 is an apocalyptic number.

1326607725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1326607725 is a deficient number, since it is larger than the sum of its proper divisors (866717171).

1326607725 is a wasteful number, since it uses less digits than its factorization.

1326607725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688116 (or 17688111 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 1326607725 is about 36422.6265527350. The cubic root of 1326607725 is about 1098.7886734567.

The spelling of 1326607725 in words is "one billion, three hundred twenty-six million, six hundred seven thousand, seven hundred twenty-five".