13194172 has 6 divisors (see below), whose sum is σ = 23089808. Its totient is φ = 6597084.

The previous prime is 13194149. The next prime is 13194199. The reversal of 13194172 is 27149131.

It is a self number, because there is not a number n which added to its sum of digits gives 13194172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1649268 + ... + 1649275.

Almost surely, 2^13194172 is an apocalyptic number.

It is an amenable number.

13194172 is a deficient number, since it is larger than the sum of its proper divisors (9895636).

13194172 is a wasteful number, since it uses less digits than its factorization.

13194172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298547 (or 3298545 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 13194172 is about 3632.3782842650. The cubic root of 13194172 is about 236.2983634179.

It can be divided in two parts, 13194 and 172, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 13194172 in words is "thirteen million, one hundred ninety-four thousand, one hundred seventy-two".