13364780 has 48 divisors (see below), whose sum is σ = 32979744. Its totient is φ = 4485120.

The previous prime is 13364777. The next prime is 13364783. The reversal of 13364780 is 8746331.

It is an interprime number because it is at equal distance from previous prime (13364777) and next prime (13364783).

It is not an unprimeable number, because it can be changed into a prime (13364783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524 + ... + 5196.

It is an arithmetic number, because the mean of its divisors is an integer number (687078).

Almost surely, 2^13364780 is an apocalyptic number.

13364780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13364780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16489872).

13364780 is an abundant number, since it is smaller than the sum of its proper divisors (19614964).

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

13364780 is a wasteful number, since it uses less digits than its factorization.

13364780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4704 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13364780 is about 3655.7871929312. The cubic root of 13364780 is about 237.3124946635.

It can be divided in two parts, 1336 and 4780, that added together give a palindrome (6116).

The spelling of 13364780 in words is "thirteen million, three hundred sixty-four thousand, seven hundred eighty".