12993730 has 16 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 5169520.

The previous prime is 12993727. The next prime is 12993731. The reversal of 12993730 is 3739921.

It is not an unprimeable number, because it can be changed into a prime (12993731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (1469664).

Almost surely, 2^12993730 is an apocalyptic number.

12993730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12993730 is a deficient number, since it is larger than the sum of its proper divisors (10520894).

12993730 is a wasteful number, since it uses less digits than its factorization.

12993730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 12993730 is about 3604.6816780404. The cubic root of 12993730 is about 235.0956604661.

The spelling of 12993730 in words is "twelve million, nine hundred ninety-three thousand, seven hundred thirty".