12974346 has 144 divisors (see below), whose sum is σ = 37844352. Its totient is φ = 3136320.

The previous prime is 12974341. The next prime is 12974387. The reversal of 12974346 is 64347921.

12974346 = T₂₀ + T₂₁ + ... + T₄₂₆.

12974346 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12974346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12974341) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 350640 + ... + 350676.

It is an arithmetic number, because the mean of its divisors is an integer number (262808).

Almost surely, 2^12974346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12974346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18922176).

12974346 is an abundant number, since it is smaller than the sum of its proper divisors (24870006).

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

12974346 is a wasteful number, since it uses less digits than its factorization.

12974346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 83 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12974346 is about 3601.9919489083. The cubic root of 12974346 is about 234.9786973296.

The spelling of 12974346 in words is "twelve million, nine hundred seventy-four thousand, three hundred forty-six".