13782812 has 6 divisors (see below), whose sum is σ = 24119928. Its totient is φ = 6891404.

The previous prime is 13782793. The next prime is 13782829. The reversal of 13782812 is 21828731.

13782812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1722848 + ... + 1722855.

It is an arithmetic number, because the mean of its divisors is an integer number (4019988).

Almost surely, 2^13782812 is an apocalyptic number.

It is an amenable number.

13782812 is a deficient number, since it is larger than the sum of its proper divisors (10337116).

13782812 is a wasteful number, since it uses less digits than its factorization.

13782812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445707 (or 3445705 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 13782812 is about 3712.5209763717. The cubic root of 13782812 is about 239.7614064017.

The spelling of 13782812 in words is "thirteen million, seven hundred eighty-two thousand, eight hundred twelve".