12974136 has 64 divisors (see below), whose sum is σ = 38361600. Its totient is φ = 3577728.

The previous prime is 12974119. The next prime is 12974147. The reversal of 12974136 is 63147921.

12974136 = T₂₁ + T₂₂ + ... + T₄₂₆.

12974136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12974097 and 12974106.

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, 3541 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (599400).

Almost surely, 2^12974136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12974136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19180800).

12974136 is an abundant number, since it is smaller than the sum of its proper divisors (25387464).

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

12974136 is a wasteful number, since it uses less digits than its factorization.

12974136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2704 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 12974136 is about 3601.9627982532. The cubic root of 12974136 is about 234.9774295510.

The spelling of 12974136 in words is "twelve million, nine hundred seventy-four thousand, one hundred thirty-six".