12997930 has 16 divisors (see below), whose sum is σ = 25523424. Its totient is φ = 4726480.

The previous prime is 12997927. The next prime is 12997937. The reversal of 12997930 is 3979921.

It is not an unprimeable number, because it can be changed into a prime (12997937) 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 7 ways as a sum of consecutive naturals, for example, 58972 + ... + 59191.

It is an arithmetic number, because the mean of its divisors is an integer number (1595214).

Almost surely, 2^12997930 is an apocalyptic number.

12997930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12997930 is a deficient number, since it is larger than the sum of its proper divisors (12525494).

12997930 is a wasteful number, since it uses less digits than its factorization.

12997930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118181.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 12997930 is about 3605.2642066844. The cubic root of 12997930 is about 235.1209879486.

Subtracting from 12997930 its reverse (3979921), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 1299 and 7930, that added together give a palindrome (9229).

The spelling of 12997930 in words is "twelve million, nine hundred ninety-seven thousand, nine hundred thirty".