13172712 has 64 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 3717120.

The previous prime is 13172689. The next prime is 13172713. The reversal of 13172712 is 21727131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13172713) 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, 14512 + ... + 15392.

It is an arithmetic number, because the mean of its divisors is an integer number (595350).

Almost surely, 2^13172712 is an apocalyptic number.

13172712 is a gapful number since it is divisible by the number (12) 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 13172712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19051200).

13172712 is an abundant number, since it is smaller than the sum of its proper divisors (24929688).

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

13172712 is a wasteful number, since it uses less digits than its factorization.

13172712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 982 counting only the distinct ones).

The product of its digits is 588, while the sum is 24.

The square root of 13172712 is about 3629.4230946529. The cubic root of 13172712 is about 236.1701827173.

Adding to 13172712 its reverse (21727131), we get a palindrome (34899843).

It can be divided in two parts, 1 and 3172712, that added together give a palindrome (3172713).

The spelling of 13172712 in words is "thirteen million, one hundred seventy-two thousand, seven hundred twelve".