12769220 has 24 divisors (see below), whose sum is σ = 26901504. Its totient is φ = 5091296.

The previous prime is 12769217. The next prime is 12769259. The reversal of 12769220 is 2296721.

12769220 is nontrivially palindromic in base 9.

12769220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6827 + ... + 8493.

It is an arithmetic number, because the mean of its divisors is an integer number (1120896).

Almost surely, 2^12769220 is an apocalyptic number.

12769220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12769220 is an abundant number, since it is smaller than the sum of its proper divisors (14132284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12769220 is a wasteful number, since it uses less digits than its factorization.

12769220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12769220 is about 3573.4045390915. The cubic root of 12769220 is about 233.7337659234.

The spelling of 12769220 in words is "twelve million, seven hundred sixty-nine thousand, two hundred twenty".