13038946 has 8 divisors (see below), whose sum is σ = 19581804. Its totient is φ = 6511680.

The previous prime is 13038931. The next prime is 13038947. The reversal of 13038946 is 64983031.

It can be written as a sum of positive squares in 2 ways, for example, as 12924025 + 114921 = 3595^2 + 339^2 .

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

It is a super-2 number, since 2×13038946² = 340028225581832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13038947) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1515 + ... + 5326.

Almost surely, 2^13038946 is an apocalyptic number.

13038946 is a deficient number, since it is larger than the sum of its proper divisors (6542858).

13038946 is an equidigital number, since it uses as much as digits as its factorization.

13038946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13038946 is about 3610.9480749521. The cubic root of 13038946 is about 235.3680425781.

The spelling of 13038946 in words is "thirteen million, thirty-eight thousand, nine hundred forty-six".