13820494 has 8 divisors (see below), whose sum is σ = 20779920. Its totient is φ = 6893856.

The previous prime is 13820489. The next prime is 13820503. The reversal of 13820494 is 49402831.

13820494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7114 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^13820494 is an apocalyptic number.

13820494 is a deficient number, since it is larger than the sum of its proper divisors (6959426).

13820494 is a wasteful number, since it uses less digits than its factorization.

13820494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13820494 is about 3717.5925005304. The cubic root of 13820494 is about 239.9797089327.

The spelling of 13820494 in words is "thirteen million, eight hundred twenty thousand, four hundred ninety-four".