12894642 has 24 divisors (see below), whose sum is σ = 28014480. Its totient is φ = 4286520.

The previous prime is 12894641. The next prime is 12894643. The reversal of 12894642 is 24649821.

12894642 is a `hidden beast` number, since 1 + 2 + 8 + 9 + 4 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (12894641) and next prime (12894643).

It is a junction number, because it is equal to n+sod(n) for n = 12894597 and 12894606.

It is not an unprimeable number, because it can be changed into a prime (12894641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8109 + ... + 9567.

It is an arithmetic number, because the mean of its divisors is an integer number (1167270).

Almost surely, 2^12894642 is an apocalyptic number.

12894642 is an abundant number, since it is smaller than the sum of its proper divisors (15119838).

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

12894642 is a wasteful number, since it uses less digits than its factorization.

12894642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1955 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12894642 is about 3590.9110264667. The cubic root of 12894642 is about 234.4965349406.

The spelling of 12894642 in words is "twelve million, eight hundred ninety-four thousand, six hundred forty-two".