12259730 has 32 divisors (see below), whose sum is σ = 25812864. Its totient is φ = 4104576.

The previous prime is 12259729. The next prime is 12259747. The reversal of 12259730 is 3795221.

It is a junction number, because it is equal to n+sod(n) for n = 12259693 and 12259702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (806652).

Almost surely, 2^12259730 is an apocalyptic number.

12259730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12259730 is an abundant number, since it is smaller than the sum of its proper divisors (13553134).

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

12259730 is a wasteful number, since it uses less digits than its factorization.

12259730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12259730 is about 3501.3897240953. The cubic root of 12259730 is about 230.5828318455.

The spelling of 12259730 in words is "twelve million, two hundred fifty-nine thousand, seven hundred thirty".