12619730 has 8 divisors (see below), whose sum is σ = 22715532. Its totient is φ = 5047888.

The previous prime is 12619721. The next prime is 12619757. The reversal of 12619730 is 3791621.

It can be written as a sum of positive squares in 2 ways, for example, as 12482089 + 137641 = 3533^2 + 371^2 .

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 = 12619693 and 12619702.

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 3 ways as a sum of consecutive naturals, for example, 630977 + ... + 630996.

Almost surely, 2^12619730 is an apocalyptic number.

12619730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12619730 is a deficient number, since it is larger than the sum of its proper divisors (10095802).

12619730 is a wasteful number, since it uses less digits than its factorization.

12619730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261980.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 12619730 is about 3552.4259316698. The cubic root of 12619730 is about 232.8180716202.

The spelling of 12619730 in words is "twelve million, six hundred nineteen thousand, seven hundred thirty".