13986207 has 24 divisors (see below), whose sum is σ = 21425040. Its totient is φ = 8776320.

The previous prime is 13986191. The next prime is 13986209. The reversal of 13986207 is 70268931.

It is not a de Polignac number, because 13986207 - 2⁴ = 13986191 is a prime.

It is a super-2 number, since 2×13986207² = 391227972493698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10048 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (892710).

Almost surely, 2^13986207 is an apocalyptic number.

13986207 is a deficient number, since it is larger than the sum of its proper divisors (7438833).

13986207 is a wasteful number, since it uses less digits than its factorization.

13986207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13986207 is about 3739.8137654167. The cubic root of 13986207 is about 240.9350501903.

The spelling of 13986207 in words is "thirteen million, nine hundred eighty-six thousand, two hundred seven".