13705977 has 8 divisors (see below), whose sum is σ = 18317664. Its totient is φ = 9115808.

The previous prime is 13705963. The next prime is 13705997. The reversal of 13705977 is 77950731.

It is a happy number.

13705977 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 13705977 - 2¹⁶ = 13640441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13705997) 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, 3828 + ... + 6485.

It is an arithmetic number, because the mean of its divisors is an integer number (2289708).

Almost surely, 2^13705977 is an apocalyptic number.

It is an amenable number.

13705977 is a deficient number, since it is larger than the sum of its proper divisors (4611687).

13705977 is a wasteful number, since it uses less digits than its factorization.

13705977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 13705977 is about 3702.1584244870. The cubic root of 13705977 is about 239.3150435318.

The spelling of 13705977 in words is "thirteen million, seven hundred five thousand, nine hundred seventy-seven".