12653770 has 8 divisors (see below), whose sum is σ = 22776804. Its totient is φ = 5061504.

The previous prime is 12653761. The next prime is 12653777. The reversal of 12653770 is 7735621.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 1521 = 3557^2 + 39^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12653777) 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, 632679 + ... + 632698.

Almost surely, 2^12653770 is an apocalyptic number.

12653770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12653770 is a deficient number, since it is larger than the sum of its proper divisors (10123034).

12653770 is a wasteful number, since it uses less digits than its factorization.

12653770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265384.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 12653770 is about 3557.2137973420. The cubic root of 12653770 is about 233.0272153490.

The spelling of 12653770 in words is "twelve million, six hundred fifty-three thousand, seven hundred seventy".