12903730 has 32 divisors (see below), whose sum is σ = 26672256. Its totient is φ = 4402944.

The previous prime is 12903727. The next prime is 12903733. The reversal of 12903730 is 3730921.

It is an interprime number because it is at equal distance from previous prime (12903727) and next prime (12903733).

It is a junction number, because it is equal to n+sod(n) for n = 12903695 and 12903704.

It is not an unprimeable number, because it can be changed into a prime (12903733) by changing a digit.

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, 23317 + ... + 23863.

It is an arithmetic number, because the mean of its divisors is an integer number (833508).

Almost surely, 2^12903730 is an apocalyptic number.

12903730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12903730 is an abundant number, since it is smaller than the sum of its proper divisors (13768526).

12903730 is a wasteful number, since it uses less digits than its factorization.

12903730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

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

The square root of 12903730 is about 3592.1762206217. The cubic root of 12903730 is about 234.5516121850.

The spelling of 12903730 in words is "twelve million, nine hundred three thousand, seven hundred thirty".