13867645 has 8 divisors (see below), whose sum is σ = 18154080. Its totient is φ = 10085520.

The previous prime is 13867639. The next prime is 13867661. The reversal of 13867645 is 54676831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13867645 - 2¹³ = 13859453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13867598 and 13867607.

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, 126015 + ... + 126124.

It is an arithmetic number, because the mean of its divisors is an integer number (2269260).

Almost surely, 2^13867645 is an apocalyptic number.

It is an amenable number.

13867645 is a deficient number, since it is larger than the sum of its proper divisors (4286435).

13867645 is a wasteful number, since it uses less digits than its factorization.

13867645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252155.

The product of its digits is 120960, while the sum is 40.

The square root of 13867645 is about 3723.9287050103. The cubic root of 13867645 is about 240.2523098874.

The spelling of 13867645 in words is "thirteen million, eight hundred sixty-seven thousand, six hundred forty-five".