1327256460 has 72 divisors (see below), whose sum is σ = 4031642160. Its totient is φ = 353440128.

The previous prime is 1327256459. The next prime is 1327256461. The reversal of 1327256460 is 646527231.

1327256460 is a `hidden beast` number, since 1 + 3 + 2 + 7 + 2 + 5 + 646 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1327256459) and next prime (1327256461).

It is a super-2 number, since 2×1327256460² = 3523219421223463200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1327256461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134371 + ... + 143909.

It is an arithmetic number, because the mean of its divisors is an integer number (55995030).

Almost surely, 2^1327256460 is an apocalyptic number.

1327256460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327256460 is an abundant number, since it is smaller than the sum of its proper divisors (2704385700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327256460 is a wasteful number, since it uses less digits than its factorization.

1327256460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327 (or 10322 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1327256460 is about 36431.5311234650. The cubic root of 1327256460 is about 1098.9677533997.

The spelling of 1327256460 in words is "one billion, three hundred twenty-seven million, two hundred fifty-six thousand, four hundred sixty".