13656077 has 2 divisors, whose sum is σ = 13656078. Its totient is φ = 13656076.

The previous prime is 13656031. The next prime is 13656103. The reversal of 13656077 is 77065631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9449476 + 4206601 = 3074^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 13656077 - 2¹⁴ = 13639693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13656277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6828038 + 6828039.

It is an arithmetic number, because the mean of its divisors is an integer number (6828039).

Almost surely, 2^13656077 is an apocalyptic number.

It is an amenable number.

13656077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13656077 is an equidigital number, since it uses as much as digits as its factorization.

13656077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 13656077 is about 3695.4129674503. The cubic root of 13656077 is about 239.0242618181.

The spelling of 13656077 in words is "thirteen million, six hundred fifty-six thousand, seventy-seven".