13729952 has 24 divisors (see below), whose sum is σ = 27277236. Its totient is φ = 6802432.

The previous prime is 13729927. The next prime is 13729973. The reversal of 13729952 is 25992731.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 5180176 = 2924^2 + 2276^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718 + ... + 5514.

Almost surely, 2^13729952 is an apocalyptic number.

It is an amenable number.

13729952 is a deficient number, since it is larger than the sum of its proper divisors (13547284).

13729952 is a wasteful number, since it uses less digits than its factorization.

13729952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920 (or 3912 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 13729952 is about 3705.3949856932. The cubic root of 13729952 is about 239.4545018123.

The spelling of 13729952 in words is "thirteen million, seven hundred twenty-nine thousand, nine hundred fifty-two".