12251984 has 10 divisors (see below), whose sum is σ = 23738250. Its totient is φ = 6125984.

The previous prime is 12251983. The next prime is 12252029. The reversal of 12251984 is 48915221.

It can be written as a sum of positive squares in only one way, i.e., 10061584 + 2190400 = 3172^2 + 1480^2 .

It is a super-2 number, since 2×12251984² = 300222223872512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12251984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382859 + ... + 382890.

It is an arithmetic number, because the mean of its divisors is an integer number (2373825).

Almost surely, 2^12251984 is an apocalyptic number.

It is an amenable number.

12251984 is a deficient number, since it is larger than the sum of its proper divisors (11486266).

12251984 is an equidigital number, since it uses as much as digits as its factorization.

12251984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765757 (or 765751 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 12251984 is about 3500.2834170964. The cubic root of 12251984 is about 230.5342589728.

The spelling of 12251984 in words is "twelve million, two hundred fifty-one thousand, nine hundred eighty-four".