13820662 has 8 divisors (see below), whose sum is σ = 20981016. Its totient is φ = 6826992.

The previous prime is 13820633. The next prime is 13820671. The reversal of 13820662 is 26602831.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13820662.

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, 41463 + ... + 41794.

It is an arithmetic number, because the mean of its divisors is an integer number (2622627).

Almost surely, 2^13820662 is an apocalyptic number.

13820662 is a deficient number, since it is larger than the sum of its proper divisors (7160354).

13820662 is an equidigital number, since it uses as much as digits as its factorization.

13820662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83342.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13820662 is about 3717.6150957301. The cubic root of 13820662 is about 239.9806813154.

The spelling of 13820662 in words is "thirteen million, eight hundred twenty thousand, six hundred sixty-two".