13906756 has 6 divisors (see below), whose sum is σ = 24336830. Its totient is φ = 6953376.

The previous prime is 13906741. The next prime is 13906757. The reversal of 13906756 is 65760931.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 3240000 = 3266^2 + 1800^2 .

It is not an unprimeable number, because it can be changed into a prime (13906757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1738341 + ... + 1738348.

Almost surely, 2^13906756 is an apocalyptic number.

It is an amenable number.

13906756 is a deficient number, since it is larger than the sum of its proper divisors (10430074).

13906756 is a wasteful number, since it uses less digits than its factorization.

13906756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476693 (or 3476691 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 13906756 is about 3729.1763165611. The cubic root of 13906756 is about 240.4779595496.

The spelling of 13906756 in words is "thirteen million, nine hundred six thousand, seven hundred fifty-six".