1326272377 has 4 divisors (see below), whose sum is σ = 1327778676. Its totient is φ = 1324766080.

The previous prime is 1326272347. The next prime is 1326272413. The reversal of 1326272377 is 7732726231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7732726231 = 56003 ⋅138077.

It can be written as a sum of positive squares in 2 ways, for example, as 283046976 + 1043225401 = 16824^2 + 32299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326272377 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326272347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751828 + ... + 753589.

It is an arithmetic number, because the mean of its divisors is an integer number (331944669).

Almost surely, 2^1326272377 is an apocalyptic number.

It is an amenable number.

1326272377 is a deficient number, since it is larger than the sum of its proper divisors (1506299).

1326272377 is an equidigital number, since it uses as much as digits as its factorization.

1326272377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506298.

The product of its digits is 148176, while the sum is 40.

The square root of 1326272377 is about 36418.0226948142. The cubic root of 1326272377 is about 1098.6960794843.

The spelling of 1326272377 in words is "one billion, three hundred twenty-six million, two hundred seventy-two thousand, three hundred seventy-seven".