1327372905 has 16 divisors (see below), whose sum is σ = 2131640064. Its totient is φ = 705317760.

The previous prime is 1327372901. The next prime is 1327372933. The reversal of 1327372905 is 5092737231.

It is not a de Polignac number, because 1327372905 - 2² = 1327372901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1327372901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159204 + ... + 167333.

It is an arithmetic number, because the mean of its divisors is an integer number (133227504).

Almost surely, 2^1327372905 is an apocalyptic number.

1327372905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1327372905 is a deficient number, since it is larger than the sum of its proper divisors (804267159).

1327372905 is a wasteful number, since it uses less digits than its factorization.

1327372905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326816.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1327372905 is about 36433.1292232770. The cubic root of 1327372905 is about 1098.9998912624. Note that the first 3 decimals are identical.

The spelling of 1327372905 in words is "one billion, three hundred twenty-seven million, three hundred seventy-two thousand, nine hundred five".