12940894 has 8 divisors (see below), whose sum is σ = 19493280. Its totient is φ = 6443136.

The previous prime is 12940877. The next prime is 12940897. The reversal of 12940894 is 49804921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13059 + ... + 14014.

It is an arithmetic number, because the mean of its divisors is an integer number (2436660).

Almost surely, 2^12940894 is an apocalyptic number.

12940894 is a deficient number, since it is larger than the sum of its proper divisors (6552386).

12940894 is a wasteful number, since it uses less digits than its factorization.

12940894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27314.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12940894 is about 3597.3454101601. The cubic root of 12940894 is about 234.7765735203.

The spelling of 12940894 in words is "twelve million, nine hundred forty thousand, eight hundred ninety-four".