12149593 has 4 divisors (see below), whose sum is σ = 12269988. Its totient is φ = 12029200.

The previous prime is 12149587. The next prime is 12149629. The reversal of 12149593 is 39594121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10810944 + 1338649 = 3288^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 12149593 - 2¹⁷ = 12018521 is a prime.

It is a super-2 number, since 2×12149593² = 295225220131298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12149513) 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, 60046 + ... + 60247.

It is an arithmetic number, because the mean of its divisors is an integer number (3067497).

Almost surely, 2^12149593 is an apocalyptic number.

It is an amenable number.

12149593 is a deficient number, since it is larger than the sum of its proper divisors (120395).

12149593 is a wasteful number, since it uses less digits than its factorization.

12149593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120394.

The product of its digits is 9720, while the sum is 34.

The square root of 12149593 is about 3485.6266294599. The cubic root of 12149593 is about 229.8902627105.

The spelling of 12149593 in words is "twelve million, one hundred forty-nine thousand, five hundred ninety-three".