13303730 has 16 divisors (see below), whose sum is σ = 26123904. Its totient is φ = 4837680.

The previous prime is 13303711. The next prime is 13303751. The reversal of 13303730 is 3730331.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60362 + ... + 60581.

It is an arithmetic number, because the mean of its divisors is an integer number (1632744).

Almost surely, 2^13303730 is an apocalyptic number.

13303730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13303730 is a deficient number, since it is larger than the sum of its proper divisors (12820174).

13303730 is a wasteful number, since it uses less digits than its factorization.

13303730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120961.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 13303730 is about 3647.4278608356. The cubic root of 13303730 is about 236.9505970958.

The spelling of 13303730 in words is "thirteen million, three hundred three thousand, seven hundred thirty".