13611012 has 24 divisors (see below), whose sum is σ = 32436096. Its totient is φ = 4440288.

The previous prime is 13611007. The next prime is 13611023. The reversal of 13611012 is 21011631.

It is a junction number, because it is equal to n+sod(n) for n = 13610982 and 13611000.

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, 11503 + ... + 12630.

It is an arithmetic number, because the mean of its divisors is an integer number (1351504).

Almost surely, 2^13611012 is an apocalyptic number.

13611012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13611012 is an abundant number, since it is smaller than the sum of its proper divisors (18825084).

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

13611012 is a wasteful number, since it uses less digits than its factorization.

13611012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24187 (or 24185 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 13611012 is about 3689.3105046878. The cubic root of 13611012 is about 238.7610456957.

Adding to 13611012 its reverse (21011631), we get a palindrome (34622643).

The spelling of 13611012 in words is "thirteen million, six hundred eleven thousand, twelve".