13930766 has 4 divisors (see below), whose sum is σ = 20896152. Its totient is φ = 6965382.

The previous prime is 13930747. The next prime is 13930789. The reversal of 13930766 is 66703931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66703931 = 7 ⋅9529133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482690 + ... + 3482693.

It is an arithmetic number, because the mean of its divisors is an integer number (5224038).

Almost surely, 2^13930766 is an apocalyptic number.

13930766 is a deficient number, since it is larger than the sum of its proper divisors (6965386).

13930766 is an equidigital number, since it uses as much as digits as its factorization.

13930766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6965385.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 13930766 is about 3732.3941378156. The cubic root of 13930766 is about 240.6162749633.

The spelling of 13930766 in words is "thirteen million, nine hundred thirty thousand, seven hundred sixty-six".