12694680 has 96 divisors (see below), whose sum is σ = 41698800. Its totient is φ = 3349248.

The previous prime is 12694667. The next prime is 12694687. The reversal of 12694680 is 8649621.

It is a super-2 number, since 2×12694680² = 322309800604800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64342 + ... + 64538.

Almost surely, 2^12694680 is an apocalyptic number.

12694680 is a gapful number since it is divisible by the number (10) 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 12694680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20849400).

12694680 is an abundant number, since it is smaller than the sum of its proper divisors (29004120).

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

12694680 is a wasteful number, since it uses less digits than its factorization.

12694680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 12694680 is about 3562.9594440577. The cubic root of 12694680 is about 233.2780730816.

It can be divided in two parts, 1 and 2694680, that added together give a triangular number (2694681 = T₂₃₂₁).

The spelling of 12694680 in words is "twelve million, six hundred ninety-four thousand, six hundred eighty".