13941687 has 16 divisors (see below), whose sum is σ = 19660160. Its totient is φ = 8763552.

The previous prime is 13941673. The next prime is 13941689. The reversal of 13941687 is 78614931.

It is not a de Polignac number, because 13941687 - 2⁴ = 13941671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13941689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15348 + ... + 16230.

It is an arithmetic number, because the mean of its divisors is an integer number (1228760).

Almost surely, 2^13941687 is an apocalyptic number.

13941687 is a deficient number, since it is larger than the sum of its proper divisors (5718473).

13941687 is a wasteful number, since it uses less digits than its factorization.

13941687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 36288, while the sum is 39.

The square root of 13941687 is about 3733.8568531747. The cubic root of 13941687 is about 240.6791354444.

It can be divided in two parts, 1394 and 1687, that added together give a triangular number (3081 = T₇₈).

The spelling of 13941687 in words is "thirteen million, nine hundred forty-one thousand, six hundred eighty-seven".