13351946 has 12 divisors (see below), whose sum is σ = 21138642. Its totient is φ = 6324264.

The previous prime is 13351939. The next prime is 13351951. The reversal of 13351946 is 64915331.

13351946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 1525225 = 3439^2 + 1235^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8525 + ... + 9968.

Almost surely, 2^13351946 is an apocalyptic number.

13351946 is a deficient number, since it is larger than the sum of its proper divisors (7786696).

13351946 is a wasteful number, since it uses less digits than its factorization.

13351946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18533 (or 18514 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 13351946 is about 3654.0314722235. The cubic root of 13351946 is about 237.2365077791.

The spelling of 13351946 in words is "thirteen million, three hundred fifty-one thousand, nine hundred forty-six".