13305946 has 4 divisors (see below), whose sum is σ = 19958922. Its totient is φ = 6652972.

The previous prime is 13305899. The next prime is 13305953. The reversal of 13305946 is 64950331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64950331 = 89 ⋅729779.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 6225025 = 2661^2 + 2495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326485 + ... + 3326488.

Almost surely, 2^13305946 is an apocalyptic number.

13305946 is a deficient number, since it is larger than the sum of its proper divisors (6652976).

13305946 is an equidigital number, since it uses as much as digits as its factorization.

13305946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652975.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 13305946 is about 3647.7316239000. The cubic root of 13305946 is about 236.9637526387.

The spelling of 13305946 in words is "thirteen million, three hundred five thousand, nine hundred forty-six".