12554473 has 4 divisors (see below), whose sum is σ = 12959488. Its totient is φ = 12149460.

The previous prime is 12554461. The next prime is 12554501. The reversal of 12554473 is 37445521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37445521 = 61 ⋅613861.

It is a cyclic number.

It is not a de Polignac number, because 12554473 - 2¹⁷ = 12423401 is a prime.

It is a super-2 number, since 2×12554473² = 315229584615458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 404983 = 12554473 / (1 + 2 + 5 + 5 + 4 + 4 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (12554453) 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, 202461 + ... + 202522.

It is an arithmetic number, because the mean of its divisors is an integer number (3239872).

Almost surely, 2^12554473 is an apocalyptic number.

It is an amenable number.

12554473 is a deficient number, since it is larger than the sum of its proper divisors (405015).

12554473 is an equidigital number, since it uses as much as digits as its factorization.

12554473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405014.

The product of its digits is 16800, while the sum is 31.

The square root of 12554473 is about 3543.2291768950. The cubic root of 12554473 is about 232.4160748467.

Adding to 12554473 its reverse (37445521), we get a palindrome (49999994).

The spelling of 12554473 in words is "twelve million, five hundred fifty-four thousand, four hundred seventy-three".