12674840 has 48 divisors (see below), whose sum is σ = 29862000. Its totient is φ = 4841408.

The previous prime is 12674833. The next prime is 12674867. The reversal of 12674840 is 4847621.

12674840 = T₅₆ + T₅₇ + ... + T₄₂₃.

It is a junction number, because it is equal to n+sod(n) for n = 12674797 and 12674806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20861 + ... + 21459.

It is an arithmetic number, because the mean of its divisors is an integer number (622125).

Almost surely, 2^12674840 is an apocalyptic number.

12674840 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 12674840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14931000).

12674840 is an abundant number, since it is smaller than the sum of its proper divisors (17187160).

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

12674840 is a wasteful number, since it uses less digits than its factorization.

12674840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 12674840 is about 3560.1741530436. The cubic root of 12674840 is about 233.1564827734.

The spelling of 12674840 in words is "twelve million, six hundred seventy-four thousand, eight hundred forty".