13706312 has 8 divisors (see below), whose sum is σ = 25699350. Its totient is φ = 6853152.

The previous prime is 13706311. The next prime is 13706323. The reversal of 13706312 is 21360731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 119716 = 3686^2 + 346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (13706311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856637 + ... + 856652.

Almost surely, 2^13706312 is an apocalyptic number.

It is an amenable number.

13706312 is a deficient number, since it is larger than the sum of its proper divisors (11993038).

13706312 is a wasteful number, since it uses less digits than its factorization.

13706312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713295 (or 1713291 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13706312 is about 3702.2036680874. The cubic root of 13706312 is about 239.3169932867.

The spelling of 13706312 in words is "thirteen million, seven hundred six thousand, three hundred twelve".