13134720 has 64 divisors (see below), whose sum is σ = 41873040. Its totient is φ = 3502080.

The previous prime is 13134701. The next prime is 13134739. The reversal of 13134720 is 2743131.

It is an interprime number because it is at equal distance from previous prime (13134701) and next prime (13134739).

It is a tau number, because it is divible by the number of its divisors (64).

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, 1501 + ... + 5340.

Almost surely, 2^13134720 is an apocalyptic number.

13134720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13134720 is an abundant number, since it is smaller than the sum of its proper divisors (28738320).

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

13134720 is an equidigital number, since it uses as much as digits as its factorization.

13134720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863 (or 6851 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13134720 is about 3624.1854257198. The cubic root of 13134720 is about 235.9429144701.

Adding to 13134720 its reverse (2743131), we get a palindrome (15877851).

The spelling of 13134720 in words is "thirteen million, one hundred thirty-four thousand, seven hundred twenty".