13956730 has 8 divisors (see below), whose sum is σ = 25122132. Its totient is φ = 5582688.

The previous prime is 13956721. The next prime is 13956731. The reversal of 13956730 is 3765931.

It can be written as a sum of positive squares in 2 ways, for example, as 13845841 + 110889 = 3721^2 + 333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13956731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697827 + ... + 697846.

Almost surely, 2^13956730 is an apocalyptic number.

13956730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13956730 is a deficient number, since it is larger than the sum of its proper divisors (11165402).

13956730 is a wasteful number, since it uses less digits than its factorization.

13956730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395680.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 13956730 is about 3735.8707151078. The cubic root of 13956730 is about 240.7656681296.

The spelling of 13956730 in words is "thirteen million, nine hundred fifty-six thousand, seven hundred thirty".