1326506747 has 8 divisors (see below), whose sum is σ = 1352299536. Its totient is φ = 1300947712.

The previous prime is 1326506729. The next prime is 1326506759. The reversal of 1326506747 is 7476056231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326506747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326506707) 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 7 ways as a sum of consecutive naturals, for example, 46958 + ... + 69699.

It is an arithmetic number, because the mean of its divisors is an integer number (169037442).

Almost surely, 2^1326506747 is an apocalyptic number.

1326506747 is a deficient number, since it is larger than the sum of its proper divisors (25792789).

1326506747 is a wasteful number, since it uses less digits than its factorization.

1326506747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116877.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 1326506747 is about 36421.2403275891. The cubic root of 1326506747 is about 1098.7607937512.

The spelling of 1326506747 in words is "one billion, three hundred twenty-six million, five hundred six thousand, seven hundred forty-seven".