13611016 has 32 divisors (see below), whose sum is σ = 27692280. Its totient is φ = 6246400.

The previous prime is 13611007. The next prime is 13611023. The reversal of 13611016 is 61011631.

It can be written as a sum of positive squares in 4 ways, for example, as 7128900 + 6482116 = 2670^2 + 2546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13610984 and 13611002.

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, 4356 + ... + 6796.

Almost surely, 2^13611016 is an apocalyptic number.

It is an amenable number.

13611016 is an abundant number, since it is smaller than the sum of its proper divisors (14081264).

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

13611016 is a wasteful number, since it uses less digits than its factorization.

13611016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13611016 is about 3689.3110467945. The cubic root of 13611016 is about 238.7610690847.

Adding to 13611016 its reverse (61011631), we get a palindrome (74622647).

It can be divided in two parts, 136 and 11016, that multiplied together give a square (1498176 = 1224²).

The spelling of 13611016 in words is "thirteen million, six hundred eleven thousand, sixteen".