13656068 has 6 divisors (see below), whose sum is σ = 23898126. Its totient is φ = 6828032.

The previous prime is 13656031. The next prime is 13656077. The reversal of 13656068 is 86065631.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 925444 = 3568^2 + 962^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1707005 + ... + 1707012.

It is an arithmetic number, because the mean of its divisors is an integer number (3983021).

Almost surely, 2^13656068 is an apocalyptic number.

It is an amenable number.

13656068 is a deficient number, since it is larger than the sum of its proper divisors (10242058).

13656068 is a wasteful number, since it uses less digits than its factorization.

13656068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414021 (or 3414019 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 13656068 is about 3695.4117497242. The cubic root of 13656068 is about 239.0242093087.

The spelling of 13656068 in words is "thirteen million, six hundred fifty-six thousand, sixty-eight".