13769477 has 2 divisors, whose sum is σ = 13769478. Its totient is φ = 13769476.

The previous prime is 13769447. The next prime is 13769491. The reversal of 13769477 is 77496731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 454276 = 3649^2 + 674^2 .

It is a cyclic number.

It is not a de Polignac number, because 13769477 - 2¹⁶ = 13703941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13769447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884738 + 6884739.

It is an arithmetic number, because the mean of its divisors is an integer number (6884739).

Almost surely, 2^13769477 is an apocalyptic number.

It is an amenable number.

13769477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13769477 is an equidigital number, since it uses as much as digits as its factorization.

13769477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 44.

The square root of 13769477 is about 3710.7245923135. The cubic root of 13769477 is about 239.6840576473.

The spelling of 13769477 in words is "thirteen million, seven hundred sixty-nine thousand, four hundred seventy-seven".