13172764 has 24 divisors (see below), whose sum is σ = 25458048. Its totient is φ = 5913840.

The previous prime is 13172729. The next prime is 13172791. The reversal of 13172764 is 46727131.

It is a super-2 number, since 2×13172764² = 347043422799392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1060752).

Almost surely, 2^13172764 is an apocalyptic number.

It is an amenable number.

13172764 is a deficient number, since it is larger than the sum of its proper divisors (12285284).

13172764 is a wasteful number, since it uses less digits than its factorization.

13172764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3703 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 13172764 is about 3629.4302583188. The cubic root of 13172764 is about 236.1704934818.

Adding to 13172764 its reverse (46727131), we get a palindrome (59899895).

The spelling of 13172764 in words is "thirteen million, one hundred seventy-two thousand, seven hundred sixty-four".