13970894670756 has 81 divisors (see below), whose sum is σ = 35409729778059. Its totient is φ = 4644548031600.

The previous prime is 13970894670697. The next prime is 13970894670757. The reversal of 13970894670756 is 65707649807931.

It is a happy number.

The square root of 13970894670756 is 3737766.

It is a perfect power (a square), and thus also a powerful number.

13970894670756 is a `hidden beast` number, since 1 + 3 + 97 + 0 + 8 + 9 + 467 + 0 + 75 + 6 = 666.

It is a super-2 number, since 2×13970894670756² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13970894670757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12805585771 + ... + 12805586861.

Almost surely, 2^{13970894670756} is an apocalyptic number.

13970894670756 is the 3737766-th square number.

It is an amenable number.

13970894670756 is an abundant number, since it is smaller than the sum of its proper divisors (21438835107303).

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

13970894670756 is an frugal number, since it uses more digits than its factorization.

13970894670756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 72.

The spelling of 13970894670756 in words is "thirteen trillion, nine hundred seventy billion, eight hundred ninety-four million, six hundred seventy thousand, seven hundred fifty-six".