12776508 has 48 divisors (see below), whose sum is σ = 33321120. Its totient is φ = 4233600.

The previous prime is 12776473. The next prime is 12776513. The reversal of 12776508 is 80567721.

12776508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30138 + ... + 30558.

It is an arithmetic number, because the mean of its divisors is an integer number (694190).

Almost surely, 2^12776508 is an apocalyptic number.

12776508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12776508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16660560).

12776508 is an abundant number, since it is smaller than the sum of its proper divisors (20544612).

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

12776508 is a wasteful number, since it uses less digits than its factorization.

12776508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 12776508 is about 3574.4241494260. The cubic root of 12776508 is about 233.7782251179.

12776508 divided by its sum of digits (36) gives a triangular number (354903 = T₈₄₂).

The spelling of 12776508 in words is "twelve million, seven hundred seventy-six thousand, five hundred eight".