12551066 has 32 divisors (see below), whose sum is σ = 22358592. Its totient is φ = 5218560.

The previous prime is 12551059. The next prime is 12551101. The reversal of 12551066 is 66015521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13385 + ... + 14291.

It is an arithmetic number, because the mean of its divisors is an integer number (698706).

Almost surely, 2^12551066 is an apocalyptic number.

12551066 is a deficient number, since it is larger than the sum of its proper divisors (9807526).

12551066 is a wasteful number, since it uses less digits than its factorization.

12551066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12551066 is about 3542.7483681458. The cubic root of 12551066 is about 232.3950487894.

Adding to 12551066 its reverse (66015521), we get a palindrome (78566587).

The spelling of 12551066 in words is "twelve million, five hundred fifty-one thousand, sixty-six".