12009250 has 48 divisors (see below), whose sum is σ = 24773112. Its totient is φ = 4356000.

The previous prime is 12009233. The next prime is 12009329. The reversal of 12009250 is 5290021.

It can be written as a sum of positive squares in 4 ways, for example, as 4507129 + 7502121 = 2123^2 + 2739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30052 + ... + 30448.

Almost surely, 2^12009250 is an apocalyptic number.

12009250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12009250 is an abundant number, since it is smaller than the sum of its proper divisors (12763862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12009250 is a wasteful number, since it uses less digits than its factorization.

12009250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12009250 is about 3465.4364804451. The cubic root of 12009250 is about 229.0016589952.

Adding to 12009250 its reverse (5290021), we get a palindrome (17299271).

The spelling of 12009250 in words is "twelve million, nine thousand, two hundred fifty".