12039730 has 16 divisors (see below), whose sum is σ = 22812480. Its totient is φ = 4562352.

The previous prime is 12039707. The next prime is 12039739. The reversal of 12039730 is 3793021.

It is a junction number, because it is equal to n+sod(n) for n = 12039695 and 12039704.

It is not an unprimeable number, because it can be changed into a prime (12039739) 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, 31494 + ... + 31873.

It is an arithmetic number, because the mean of its divisors is an integer number (1425780).

Almost surely, 2^12039730 is an apocalyptic number.

12039730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12039730 is a deficient number, since it is larger than the sum of its proper divisors (10772750).

12039730 is a wasteful number, since it uses less digits than its factorization.

12039730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63393.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 12039730 is about 3469.8314080082. The cubic root of 12039730 is about 229.1952340512.

It can be divided in two parts, 12039 and 730, that added together give a square (12769 = 113²).

The spelling of 12039730 in words is "twelve million, thirty-nine thousand, seven hundred thirty".