13770477 has 12 divisors (see below), whose sum is σ = 22732320. Its totient is φ = 7868808.

The previous prime is 13770469. The next prime is 13770481. The reversal of 13770477 is 77407731.

It is not a de Polignac number, because 13770477 - 2³ = 13770469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109227 + ... + 109352.

It is an arithmetic number, because the mean of its divisors is an integer number (1894360).

Almost surely, 2^13770477 is an apocalyptic number.

It is an amenable number.

13770477 is a deficient number, since it is larger than the sum of its proper divisors (8961843).

13770477 is a wasteful number, since it uses less digits than its factorization.

13770477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218592 (or 218589 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 36.

The square root of 13770477 is about 3710.8593344399. The cubic root of 13770477 is about 239.6898598104.

The spelling of 13770477 in words is "thirteen million, seven hundred seventy thousand, four hundred seventy-seven".