13781014 has 16 divisors (see below), whose sum is σ = 22332240. Its totient is φ = 6340320.

The previous prime is 13780993. The next prime is 13781039. The reversal of 13781014 is 41018731.

It is a self number, because there is not a number n which added to its sum of digits gives 13781014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10317 + ... + 11575.

It is an arithmetic number, because the mean of its divisors is an integer number (1395765).

Almost surely, 2^13781014 is an apocalyptic number.

13781014 is a deficient number, since it is larger than the sum of its proper divisors (8551226).

13781014 is a wasteful number, since it uses less digits than its factorization.

13781014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 13781014 is about 3712.2788149599. The cubic root of 13781014 is about 239.7509801366.

Adding to 13781014 its reverse (41018731), we get a palindrome (54799745).

The spelling of 13781014 in words is "thirteen million, seven hundred eighty-one thousand, fourteen".