12002730 has 32 divisors (see below), whose sum is σ = 28914624. Its totient is φ = 3188736.

The previous prime is 12002717. The next prime is 12002743. The reversal of 12002730 is 3720021.

It is an interprime number because it is at equal distance from previous prime (12002717) and next prime (12002743).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9834 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (903582).

Almost surely, 2^12002730 is an apocalyptic number.

12002730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12002730 is an abundant number, since it is smaller than the sum of its proper divisors (16911894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002730 is a wasteful number, since it uses less digits than its factorization.

12002730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 12002730 is about 3464.4956342879. The cubic root of 12002730 is about 228.9602086936.

Adding to 12002730 its reverse (3720021), we get a palindrome (15722751).

The spelling of 12002730 in words is "twelve million, two thousand, seven hundred thirty".