12894553 has 4 divisors (see below), whose sum is σ = 14736640. Its totient is φ = 11052468.

The previous prime is 12894533. The next prime is 12894593. The reversal of 12894553 is 35549821.

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.

It is a de Polignac number, because none of the positive numbers 2^k-12894553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12894533) 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, 921033 + ... + 921046.

It is an arithmetic number, because the mean of its divisors is an integer number (3684160).

Almost surely, 2^12894553 is an apocalyptic number.

It is an amenable number.

12894553 is a deficient number, since it is larger than the sum of its proper divisors (1842087).

12894553 is an equidigital number, since it uses as much as digits as its factorization.

12894553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842086.

The product of its digits is 43200, while the sum is 37.

The square root of 12894553 is about 3590.8986340469. The cubic root of 12894553 is about 234.4959954338.

The spelling of 12894553 in words is "twelve million, eight hundred ninety-four thousand, five hundred fifty-three".