13860977 has 8 divisors (see below), whose sum is σ = 15331176. Its totient is φ = 12448512.

The previous prime is 13860953. The next prime is 13860983. The reversal of 13860977 is 77906831.

It can be written as a sum of positive squares in 4 ways, for example, as 6071296 + 7789681 = 2464^2 + 2791^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13860977 - 2¹² = 13856881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13860997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13928 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (1916397).

Almost surely, 2^13860977 is an apocalyptic number.

It is an amenable number.

13860977 is a deficient number, since it is larger than the sum of its proper divisors (1470199).

13860977 is a wasteful number, since it uses less digits than its factorization.

13860977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28867.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 13860977 is about 3723.0333063243. The cubic root of 13860977 is about 240.2137967576.

The spelling of 13860977 in words is "thirteen million, eight hundred sixty thousand, nine hundred seventy-seven".