12628930 has 8 divisors (see below), whose sum is σ = 22732092. Its totient is φ = 5051568.

The previous prime is 12628921. The next prime is 12628937. The reversal of 12628930 is 3982621.

It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 994009 = 3411^2 + 997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12628892 and 12628901.

It is not an unprimeable number, because it can be changed into a prime (12628937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631437 + ... + 631456.

Almost surely, 2^12628930 is an apocalyptic number.

12628930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12628930 is a deficient number, since it is larger than the sum of its proper divisors (10103162).

12628930 is a wasteful number, since it uses less digits than its factorization.

12628930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262900.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12628930 is about 3553.7205855272. The cubic root of 12628930 is about 232.8746340022.

The spelling of 12628930 in words is "twelve million, six hundred twenty-eight thousand, nine hundred thirty".