12554401 has 4 divisors (see below), whose sum is σ = 12678804. Its totient is φ = 12430000.

The previous prime is 12554387. The next prime is 12554447. The reversal of 12554401 is 10445521.

12554401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10445521 = 101 ⋅103421.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 720801 = 3440^2 + 849^2 .

It is a cyclic number.

It is not a de Polignac number, because 12554401 - 2⁵ = 12554369 is a prime.

It is a super-2 number, since 2×12554401² = 315225968937602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12554461) 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, 62050 + ... + 62251.

It is an arithmetic number, because the mean of its divisors is an integer number (3169701).

Almost surely, 2^12554401 is an apocalyptic number.

It is an amenable number.

12554401 is a deficient number, since it is larger than the sum of its proper divisors (124403).

12554401 is a wasteful number, since it uses less digits than its factorization.

12554401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124402.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 12554401 is about 3543.2190166570. The cubic root of 12554401 is about 232.4156305432.

Adding to 12554401 its reverse (10445521), we get a palindrome (22999922).

It can be divided in two parts, 1255 and 4401, that multiplied together give a palindrome (5523255).

The spelling of 12554401 in words is "twelve million, five hundred fifty-four thousand, four hundred one".