13116620 has 24 divisors (see below), whose sum is σ = 30049488. Its totient is φ = 4769600.

The previous prime is 13116589. The next prime is 13116641. The reversal of 13116620 is 2661131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13116592 and 13116601.

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, 29591 + ... + 30030.

It is an arithmetic number, because the mean of its divisors is an integer number (1252062).

Almost surely, 2^13116620 is an apocalyptic number.

13116620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13116620 is an abundant number, since it is smaller than the sum of its proper divisors (16932868).

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

13116620 is a wasteful number, since it uses less digits than its factorization.

13116620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59641 (or 59639 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13116620 is about 3621.6874520036. The cubic root of 13116620 is about 235.8344860730.

Adding to 13116620 its reverse (2661131), we get a palindrome (15777751).

The spelling of 13116620 in words is "thirteen million, one hundred sixteen thousand, six hundred twenty".