12280629 has 8 divisors (see below), whose sum is σ = 16581760. Its totient is φ = 8083296.

The previous prime is 12280621. The next prime is 12280661. The reversal of 12280629 is 92608221.

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

It is not a de Polignac number, because 12280629 - 2³ = 12280621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12280596 and 12280605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280621) 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, 25672 + ... + 26145.

It is an arithmetic number, because the mean of its divisors is an integer number (2072720).

Almost surely, 2^12280629 is an apocalyptic number.

It is an amenable number.

12280629 is a deficient number, since it is larger than the sum of its proper divisors (4301131).

12280629 is an equidigital number, since it uses as much as digits as its factorization.

12280629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51899.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12280629 is about 3504.3728397532. The cubic root of 12280629 is about 230.7137813015.

The spelling of 12280629 in words is "twelve million, two hundred eighty thousand, six hundred twenty-nine".