13191473 has 8 divisors (see below), whose sum is σ = 14000328. Its totient is φ = 12386304.

The previous prime is 13191469. The next prime is 13191527. The reversal of 13191473 is 37419131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4293184 + 8898289 = 2072^2 + 2983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13191473 - 2² = 13191469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13191403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10865 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (1750041).

Almost surely, 2^13191473 is an apocalyptic number.

It is an amenable number.

13191473 is a deficient number, since it is larger than the sum of its proper divisors (808855).

13191473 is a wasteful number, since it uses less digits than its factorization.

13191473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its digits is 2268, while the sum is 29.

The square root of 13191473 is about 3632.0067455884. The cubic root of 13191473 is about 236.2822499203.

The spelling of 13191473 in words is "thirteen million, one hundred ninety-one thousand, four hundred seventy-three".