13777036 has 36 divisors (see below), whose sum is σ = 30209088. Its totient is φ = 5449248.

The previous prime is 13777019. The next prime is 13777037. The reversal of 13777036 is 63077731.

It is a junction number, because it is equal to n+sod(n) for n = 13776992 and 13777010.

It is not an unprimeable number, because it can be changed into a prime (13777037) 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, 156 + ... + 5251.

Almost surely, 2^13777036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13777036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15104544).

13777036 is an abundant number, since it is smaller than the sum of its proper divisors (16432052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13777036 is a wasteful number, since it uses less digits than its factorization.

13777036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 13777036 is about 3711.7429867921. The cubic root of 13777036 is about 239.7279092367.

The spelling of 13777036 in words is "thirteen million, seven hundred seventy-seven thousand, thirty-six".