13905794 has 24 divisors (see below), whose sum is σ = 24745728. Its totient is φ = 5735160.

The previous prime is 13905767. The next prime is 13905797. The reversal of 13905794 is 49750931.

It is a happy number.

It is a super-2 number, since 2×13905794² = 386742213540872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13905797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77597 + ... + 77775.

It is an arithmetic number, because the mean of its divisors is an integer number (1031072).

Almost surely, 2^13905794 is an apocalyptic number.

13905794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13905794 is a deficient number, since it is larger than the sum of its proper divisors (10839934).

13905794 is an equidigital number, since it uses as much as digits as its factorization.

13905794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 13905794 is about 3729.0473314239. The cubic root of 13905794 is about 240.4724143999.

The spelling of 13905794 in words is "thirteen million, nine hundred five thousand, seven hundred ninety-four".