13923790 has 8 divisors (see below), whose sum is σ = 25062840. Its totient is φ = 5569512.

The previous prime is 13923779. The next prime is 13923821. The reversal of 13923790 is 9732931.

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

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, 696180 + ... + 696199.

It is an arithmetic number, because the mean of its divisors is an integer number (3132855).

Almost surely, 2^13923790 is an apocalyptic number.

13923790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13923790 is a deficient number, since it is larger than the sum of its proper divisors (11139050).

13923790 is a wasteful number, since it uses less digits than its factorization.

13923790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392386.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 13923790 is about 3731.4594999812. The cubic root of 13923790 is about 240.5761044182.

The spelling of 13923790 in words is "thirteen million, nine hundred twenty-three thousand, seven hundred ninety".