13729498 has 8 divisors (see below), whose sum is σ = 20633940. Its totient is φ = 6851520.

The previous prime is 13729487. The next prime is 13729501. The reversal of 13729498 is 89492731.

It can be written as a sum of positive squares in 2 ways, for example, as 12723489 + 1006009 = 3567^2 + 1003^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263 + ... + 7426.

Almost surely, 2^13729498 is an apocalyptic number.

13729498 is a deficient number, since it is larger than the sum of its proper divisors (6904442).

13729498 is a wasteful number, since it uses less digits than its factorization.

13729498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232.

The product of its digits is 108864, while the sum is 43.

The square root of 13729498 is about 3705.3337231618. Note that the first 3 decimals coincide. The cubic root of 13729498 is about 239.4518624843.

The spelling of 13729498 in words is "thirteen million, seven hundred twenty-nine thousand, four hundred ninety-eight".