1326252672 has 96 divisors (see below), whose sum is σ = 3873617280. Its totient is φ = 435460608.

The previous prime is 1326252661. The next prime is 1326252701. The reversal of 1326252672 is 2762526231.

1326252672 is a `hidden beast` number, since 1 + 3 + 2 + 62 + 526 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1326252672² = 3517892299974279168, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68593 + ... + 85775.

It is an arithmetic number, because the mean of its divisors is an integer number (40350180).

Almost surely, 2^1326252672 is an apocalyptic number.

1326252672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326252672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936808640).

1326252672 is an abundant number, since it is smaller than the sum of its proper divisors (2547364608).

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

1326252672 is a wasteful number, since it uses less digits than its factorization.

1326252672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17270 (or 17255 counting only the distinct ones).

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

The square root of 1326252672 is about 36417.7521546841. The cubic root of 1326252672 is about 1098.6906381904.

The spelling of 1326252672 in words is "one billion, three hundred twenty-six million, two hundred fifty-two thousand, six hundred seventy-two".