12553404 has 24 divisors (see below), whose sum is σ = 30302160. Its totient is φ = 4040064.

The previous prime is 12553403. The next prime is 12553417. The reversal of 12553404 is 40435521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17689 + ... + 18384.

It is an arithmetic number, because the mean of its divisors is an integer number (1262590).

Almost surely, 2^12553404 is an apocalyptic number.

It is an amenable number.

12553404 is an abundant number, since it is smaller than the sum of its proper divisors (17748756).

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

12553404 is a wasteful number, since it uses less digits than its factorization.

12553404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36109 (or 36107 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 12553404 is about 3543.0783225890. The cubic root of 12553404 is about 232.4094779991.

Adding to 12553404 its reverse (40435521), we get a palindrome (52988925).

The spelling of 12553404 in words is "twelve million, five hundred fifty-three thousand, four hundred four".