12551146 has 16 divisors (see below), whose sum is σ = 19735488. Its totient is φ = 5975200.

The previous prime is 12551131. The next prime is 12551179. The reversal of 12551146 is 64115521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12551146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12441 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (1233468).

Almost surely, 2^12551146 is an apocalyptic number.

12551146 is a deficient number, since it is larger than the sum of its proper divisors (7184342).

12551146 is a wasteful number, since it uses less digits than its factorization.

12551146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277.

The product of its digits is 1200, while the sum is 25.

The square root of 12551146 is about 3542.7596587971. The cubic root of 12551146 is about 232.3955425473.

Adding to 12551146 its reverse (64115521), we get a palindrome (76666667).

It can be divided in two parts, 1255 and 1146, that added together give a 4-th power (2401 = 7⁴).

The spelling of 12551146 in words is "twelve million, five hundred fifty-one thousand, one hundred forty-six".