12787630 has 16 divisors (see below), whose sum is σ = 23201280. Its totient is φ = 5074272.

The previous prime is 12787573. The next prime is 12787633. The reversal of 12787630 is 3678721.

It is a super-3 number, since 3×12787630³ (a number of 22 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12787633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765 + ... + 6304.

It is an arithmetic number, because the mean of its divisors is an integer number (1450080).

Almost surely, 2^12787630 is an apocalyptic number.

12787630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12787630 is a deficient number, since it is larger than the sum of its proper divisors (10413650).

12787630 is a wasteful number, since it uses less digits than its factorization.

12787630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 12787630 is about 3575.9795860715. The cubic root of 12787630 is about 233.8460403959.

The spelling of 12787630 in words is "twelve million, seven hundred eighty-seven thousand, six hundred thirty".