1296174672 has 60 divisors (see below), whose sum is σ = 3906532084. Its totient is φ = 398822400.

The previous prime is 1296174613. The next prime is 1296174679. The reversal of 1296174672 is 2764716921.

1296174672 is a `hidden beast` number, since 1 + 29 + 617 + 4 + 6 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 468116496 + 828058176 = 21636^2 + 28776^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296174679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344329 + ... + 348072.

Almost surely, 2^1296174672 is an apocalyptic number.

1296174672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1296174672 is an abundant number, since it is smaller than the sum of its proper divisors (2610357412).

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

1296174672 is a wasteful number, since it uses less digits than its factorization.

1296174672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692428 (or 692419 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 1296174672 is about 36002.4259182628. The cubic root of 1296174672 is about 1090.3213349940.

The spelling of 1296174672 in words is "one billion, two hundred ninety-six million, one hundred seventy-four thousand, six hundred seventy-two".