13072700 has 36 divisors (see below), whose sum is σ = 29289792. Its totient is φ = 5059200.

The previous prime is 13072699. The next prime is 13072739. The reversal of 13072700 is 727031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 992 + ... + 5208.

Almost surely, 2^13072700 is an apocalyptic number.

13072700 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 13072700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14644896).

13072700 is an abundant number, since it is smaller than the sum of its proper divisors (16217092).

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

13072700 is a wasteful number, since it uses less digits than its factorization.

13072700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262 (or 4255 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 13072700 is about 3615.6188958462. The cubic root of 13072700 is about 235.5709671430.

Adding to 13072700 its reverse (727031), we get a palindrome (13799731).

The spelling of 13072700 in words is "thirteen million, seventy-two thousand, seven hundred".