12551290 has 8 divisors (see below), whose sum is σ = 22592340. Its totient is φ = 5020512.

The previous prime is 12551269. The next prime is 12551291. The reversal of 12551290 is 9215521.

It can be written as a sum of positive squares in 2 ways, for example, as 11471769 + 1079521 = 3387^2 + 1039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12551291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627555 + ... + 627574.

Almost surely, 2^12551290 is an apocalyptic number.

12551290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12551290 is a deficient number, since it is larger than the sum of its proper divisors (10041050).

12551290 is a wasteful number, since it uses less digits than its factorization.

12551290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255136.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 12551290 is about 3542.7799818786. The cubic root of 12551290 is about 232.3964313062.

It can be divided in two parts, 125 and 51290, that added together give a palindrome (51415).

The spelling of 12551290 in words is "twelve million, five hundred fifty-one thousand, two hundred ninety".