12472591 has 4 divisors (see below), whose sum is σ = 12596184. Its totient is φ = 12349000.

The previous prime is 12472583. The next prime is 12472619. The reversal of 12472591 is 19527421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19527421 = 19 ⋅1027759.

It is a cyclic number.

It is not a de Polignac number, because 12472591 - 2³ = 12472583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61645 + ... + 61846.

It is an arithmetic number, because the mean of its divisors is an integer number (3149046).

Almost surely, 2^12472591 is an apocalyptic number.

12472591 is a deficient number, since it is larger than the sum of its proper divisors (123593).

12472591 is a wasteful number, since it uses less digits than its factorization.

12472591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123592.

The product of its digits is 5040, while the sum is 31.

The square root of 12472591 is about 3531.6555607817. The cubic root of 12472591 is about 231.9096891357.

The spelling of 12472591 in words is "twelve million, four hundred seventy-two thousand, five hundred ninety-one".