13729790 has 8 divisors (see below), whose sum is σ = 24713640. Its totient is φ = 5491912.

The previous prime is 13729783. The next prime is 13729801. The reversal of 13729790 is 9792731.

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

It is a Curzon number.

It is a congruent number.

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, 686480 + ... + 686499.

It is an arithmetic number, because the mean of its divisors is an integer number (3089205).

Almost surely, 2^13729790 is an apocalyptic number.

13729790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13729790 is a deficient number, since it is larger than the sum of its proper divisors (10983850).

13729790 is a wasteful number, since it uses less digits than its factorization.

13729790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372986.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13729790 is about 3705.3731256110. The cubic root of 13729790 is about 239.4535600323.

The spelling of 13729790 in words is "thirteen million, seven hundred twenty-nine thousand, seven hundred ninety".