13953172 has 12 divisors (see below), whose sum is σ = 24937920. Its totient is φ = 6828056.

The previous prime is 13953169. The next prime is 13953179. The reversal of 13953172 is 27135931.

It is a super-3 number, since 3×13953172³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13953179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36922 + ... + 37297.

It is an arithmetic number, because the mean of its divisors is an integer number (2078160).

Almost surely, 2^13953172 is an apocalyptic number.

It is an amenable number.

13953172 is a deficient number, since it is larger than the sum of its proper divisors (10984748).

13953172 is a wasteful number, since it uses less digits than its factorization.

13953172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74270 (or 74268 counting only the distinct ones).

The product of its digits is 5670, while the sum is 31.

The square root of 13953172 is about 3735.3944905458. The cubic root of 13953172 is about 240.7452068646.

The spelling of 13953172 in words is "thirteen million, nine hundred fifty-three thousand, one hundred seventy-two".