13970706 has 32 divisors (see below), whose sum is σ = 29611008. Its totient is φ = 4385040.

The previous prime is 13970701. The next prime is 13970711. The reversal of 13970706 is 60707931.

It is an interprime number because it is at equal distance from previous prime (13970701) and next prime (13970711).

It is a super-2 number, since 2×13970706² = 390361252276872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13970701) 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 15 ways as a sum of consecutive naturals, for example, 8491 + ... + 10001.

It is an arithmetic number, because the mean of its divisors is an integer number (925344).

Almost surely, 2^13970706 is an apocalyptic number.

13970706 is an abundant number, since it is smaller than the sum of its proper divisors (15640302).

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

13970706 is a wasteful number, since it uses less digits than its factorization.

13970706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 13970706 is about 3737.7407614761. The cubic root of 13970706 is about 240.8460073496.

The spelling of 13970706 in words is "thirteen million, nine hundred seventy thousand, seven hundred six".