12550966 has 4 divisors (see below), whose sum is σ = 18826452. Its totient is φ = 6275482.

The previous prime is 12550957. The next prime is 12550991. The reversal of 12550966 is 66905521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66905521 = 487 ⋅137383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3137740 + ... + 3137743.

It is an arithmetic number, because the mean of its divisors is an integer number (4706613).

Almost surely, 2^12550966 is an apocalyptic number.

12550966 is a deficient number, since it is larger than the sum of its proper divisors (6275486).

12550966 is an equidigital number, since it uses as much as digits as its factorization.

12550966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275485.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 12550966 is about 3542.7342547812. The cubic root of 12550966 is about 232.3944315890.

The spelling of 12550966 in words is "twelve million, five hundred fifty thousand, nine hundred sixty-six".