12401332 has 12 divisors (see below), whose sum is σ = 21828996. Its totient is φ = 6164480.

The previous prime is 12401317. The next prime is 12401351. The reversal of 12401332 is 23310421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 7365796 = 2244^2 + 2714^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8269 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (1819083).

Almost surely, 2^12401332 is an apocalyptic number.

It is an amenable number.

12401332 is a deficient number, since it is larger than the sum of its proper divisors (9427664).

12401332 is a wasteful number, since it uses less digits than its factorization.

12401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18098 (or 18096 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12401332 is about 3521.5524985438. The cubic root of 12401332 is about 231.4671928779.

Adding to 12401332 its reverse (23310421), we get a palindrome (35711753).

The spelling of 12401332 in words is "twelve million, four hundred one thousand, three hundred thirty-two".