12807774 has 64 divisors (see below), whose sum is σ = 33607680. Its totient is φ = 3538080.

The previous prime is 12807737. The next prime is 12807791. The reversal of 12807774 is 47770821.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11172 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (525120).

Almost surely, 2^12807774 is an apocalyptic number.

12807774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12807774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16803840).

12807774 is an abundant number, since it is smaller than the sum of its proper divisors (20799906).

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

12807774 is a wasteful number, since it uses less digits than its factorization.

12807774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 12807774 is about 3578.7950486162. The cubic root of 12807774 is about 233.9687663769.

The spelling of 12807774 in words is "twelve million, eight hundred seven thousand, seven hundred seventy-four".