13172046 has 8 divisors (see below), whose sum is σ = 26344104. Its totient is φ = 4390680.

The previous prime is 13172023. The next prime is 13172051. The reversal of 13172046 is 64027131.

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

13172046 is an admirable number.

It is a super-2 number, since 2×13172046² = 347005591652232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097665 + ... + 1097676.

It is an arithmetic number, because the mean of its divisors is an integer number (3293013).

Almost surely, 2^13172046 is an apocalyptic number.

13172046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13172046 is a wasteful number, since it uses less digits than its factorization.

13172046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195346.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 13172046 is about 3629.3313433744. The cubic root of 13172046 is about 236.1662024690.

Adding to 13172046 its reverse (64027131), we get a palindrome (77199177).

The spelling of 13172046 in words is "thirteen million, one hundred seventy-two thousand, forty-six".