12769308 has 18 divisors (see below), whose sum is σ = 32278064. Its totient is φ = 4256424.

The previous prime is 12769307. The next prime is 12769319. The reversal of 12769308 is 80396721.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 354703 = 12769308 / (1 + 2 + 7 + 6 + 9 + 3 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12769307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177316 + ... + 177387.

Almost surely, 2^12769308 is an apocalyptic number.

12769308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12769308 is an abundant number, since it is smaller than the sum of its proper divisors (19508756).

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

12769308 is a wasteful number, since it uses less digits than its factorization.

12769308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354713 (or 354708 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12769308 is about 3573.4168522578. The cubic root of 12769308 is about 233.7343028532.

The spelling of 12769308 in words is "twelve million, seven hundred sixty-nine thousand, three hundred eight".