12401252 has 6 divisors (see below), whose sum is σ = 21702198. Its totient is φ = 6200624.

The previous prime is 12401251. The next prime is 12401261. The reversal of 12401252 is 25210421.

It can be written as a sum of positive squares in only one way, i.e., 11999296 + 401956 = 3464^2 + 634^2 .

It is a super-3 number, since 3×12401252³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12401252.

It is not an unprimeable number, because it can be changed into a prime (12401251) 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, 1550153 + ... + 1550160.

It is an arithmetic number, because the mean of its divisors is an integer number (3617033).

Almost surely, 2^12401252 is an apocalyptic number.

It is an amenable number.

12401252 is a deficient number, since it is larger than the sum of its proper divisors (9300946).

12401252 is a wasteful number, since it uses less digits than its factorization.

12401252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100317 (or 3100315 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12401252 is about 3521.5411398988. The cubic root of 12401252 is about 231.4666951514.

Adding to 12401252 its reverse (25210421), we get a palindrome (37611673).

The spelling of 12401252 in words is "twelve million, four hundred one thousand, two hundred fifty-two".