12570994 has 4 divisors (see below), whose sum is σ = 18856494. Its totient is φ = 6285496.

The previous prime is 12570979. The next prime is 12570997. The reversal of 12570994 is 49907521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49907521 = 29 ⋅1720949.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 3969 = 3545^2 + 63^2 .

It is not an unprimeable number, because it can be changed into a prime (12570997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3142747 + ... + 3142750.

Almost surely, 2^12570994 is an apocalyptic number.

12570994 is a deficient number, since it is larger than the sum of its proper divisors (6285500).

12570994 is an equidigital number, since it uses as much as digits as its factorization.

12570994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285499.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12570994 is about 3545.5597583456. The cubic root of 12570994 is about 232.5179791084.

The spelling of 12570994 in words is "twelve million, five hundred seventy thousand, nine hundred ninety-four".