12601044 has 18 divisors (see below), whose sum is σ = 31852730. Its totient is φ = 4200336.

The previous prime is 12601037. The next prime is 12601049. The reversal of 12601044 is 44010621.

It can be written as a sum of positive squares in only one way, i.e., 8191044 + 4410000 = 2862^2 + 2100^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174979 + ... + 175050.

Almost surely, 2^12601044 is an apocalyptic number.

It is an amenable number.

12601044 is an abundant number, since it is smaller than the sum of its proper divisors (19251686).

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

12601044 is a wasteful number, since it uses less digits than its factorization.

12601044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350039 (or 350034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12601044 is about 3549.7949236540. The cubic root of 12601044 is about 232.7031038282.

Adding to 12601044 its reverse (44010621), we get a palindrome (56611665).

It can be divided in two parts, 1260 and 1044, that added together give a square (2304 = 48²).

The spelling of 12601044 in words is "twelve million, six hundred one thousand, forty-four".