12401152 has 40 divisors (see below), whose sum is σ = 25300836. Its totient is φ = 6070272.

The previous prime is 12401149. The next prime is 12401153. The reversal of 12401152 is 25110421.

It can be written as a sum of positive squares in 2 ways, for example, as 11182336 + 1218816 = 3344^2 + 1104^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (12401153) 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, 26908 + ... + 27364.

Almost surely, 2^12401152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12650418).

12401152 is an abundant number, since it is smaller than the sum of its proper divisors (12899684).

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

12401152 is an frugal number, since it uses more digits than its factorization.

12401152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12401152 is about 3521.5269415411. The cubic root of 12401152 is about 231.4660729903.

Adding to 12401152 its reverse (25110421), we get a palindrome (37511573).

The spelling of 12401152 in words is "twelve million, four hundred one thousand, one hundred fifty-two".