13771104 has 48 divisors (see below), whose sum is σ = 37135728. Its totient is φ = 4465152.

The previous prime is 13771091. The next prime is 13771127. The reversal of 13771104 is 40117731.

13771104 = 432² + 433² + ... + 495².

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (773661).

Almost surely, 2^13771104 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 13771104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18567864).

13771104 is an abundant number, since it is smaller than the sum of its proper divisors (23364624).

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

13771104 is a wasteful number, since it uses less digits than its factorization.

13771104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 13771104 is about 3710.9438152578. The cubic root of 13771104 is about 239.6934976234.

Adding to 13771104 its reverse (40117731), we get a palindrome (53888835).

The spelling of 13771104 in words is "thirteen million, seven hundred seventy-one thousand, one hundred four".