12542994 has 12 divisors (see below), whose sum is σ = 27176526. Its totient is φ = 4180992.

The previous prime is 12542989. The next prime is 12543053. The reversal of 12542994 is 49924521.

12542994 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 can be written as a sum of positive squares in only one way, i.e., 11471769 + 1071225 = 3387^2 + 1035^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348399 + ... + 348434.

Almost surely, 2^12542994 is an apocalyptic number.

12542994 is an abundant number, since it is smaller than the sum of its proper divisors (14633532).

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

12542994 is a wasteful number, since it uses less digits than its factorization.

12542994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696841 (or 696838 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12542994 is about 3541.6089563926. The cubic root of 12542994 is about 232.3452178261.

The spelling of 12542994 in words is "twelve million, five hundred forty-two thousand, nine hundred ninety-four".