12302730 has 144 divisors (see below), whose sum is σ = 37930464. Its totient is φ = 2741760.

The previous prime is 12302729. The next prime is 12302743. The reversal of 12302730 is 3720321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 286089 + ... + 286131.

It is an arithmetic number, because the mean of its divisors is an integer number (263406).

Almost surely, 2^12302730 is an apocalyptic number.

12302730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12302730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18965232).

12302730 is an abundant number, since it is smaller than the sum of its proper divisors (25627734).

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

12302730 is a wasteful number, since it uses less digits than its factorization.

12302730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12302730 is about 3507.5247682661. The cubic root of 12302730 is about 230.8521007504.

The spelling of 12302730 in words is "twelve million, three hundred two thousand, seven hundred thirty".