12648770 has 8 divisors (see below), whose sum is σ = 22767804. Its totient is φ = 5059504.

The previous prime is 12648767. The next prime is 12648773. The reversal of 12648770 is 7784621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12648767) and next prime (12648773).

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 405769 = 3499^2 + 637^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12648770.

It is not an unprimeable number, because it can be changed into a prime (12648773) 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, 632429 + ... + 632448.

Almost surely, 2^12648770 is an apocalyptic number.

12648770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12648770 is a deficient number, since it is larger than the sum of its proper divisors (10119034).

12648770 is a wasteful number, since it uses less digits than its factorization.

12648770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264884.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 12648770 is about 3556.5109306735. The cubic root of 12648770 is about 232.9965185797.

The spelling of 12648770 in words is "twelve million, six hundred forty-eight thousand, seven hundred seventy".