12946040 has 16 divisors (see below), whose sum is σ = 29128680. Its totient is φ = 5178400.

The previous prime is 12946019. The next prime is 12946051. The reversal of 12946040 is 4064921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161786 + ... + 161865.

Almost surely, 2^12946040 is an apocalyptic number.

12946040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12946040 is an abundant number, since it is smaller than the sum of its proper divisors (16182640).

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

12946040 is a wasteful number, since it uses less digits than its factorization.

12946040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323662 (or 323658 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 12946040 is about 3598.0605887061. The cubic root of 12946040 is about 234.8076893546.

The spelling of 12946040 in words is "twelve million, nine hundred forty-six thousand, forty".