11712730 has 16 divisors (see below), whose sum is σ = 21763584. Its totient is φ = 4533840.

The previous prime is 11712707. The next prime is 11712731. The reversal of 11712730 is 3721711.

It is not an unprimeable number, because it can be changed into a prime (11712731) 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 7 ways as a sum of consecutive naturals, for example, 18582 + ... + 19201.

It is an arithmetic number, because the mean of its divisors is an integer number (1360224).

Almost surely, 2^11712730 is an apocalyptic number.

11712730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11712730 is a deficient number, since it is larger than the sum of its proper divisors (10050854).

11712730 is a wasteful number, since it uses less digits than its factorization.

11712730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37821.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 11712730 is about 3422.3865941766. The cubic root of 11712730 is about 227.1011729852.

The spelling of 11712730 in words is "eleven million, seven hundred twelve thousand, seven hundred thirty".