12379575 has 24 divisors (see below), whose sum is σ = 22043728. Its totient is φ = 6094080.

The previous prime is 12379573. The next prime is 12379597. The reversal of 12379575 is 57597321.

It is not a de Polignac number, because 12379575 - 2¹ = 12379573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12379573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5374 + ... + 7323.

Almost surely, 2^12379575 is an apocalyptic number.

12379575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12379575 is a deficient number, since it is larger than the sum of its proper divisors (9664153).

12379575 is a wasteful number, since it uses less digits than its factorization.

12379575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12723 (or 12718 counting only the distinct ones).

The product of its digits is 66150, while the sum is 39.

The square root of 12379575 is about 3518.4620219636. The cubic root of 12379575 is about 231.3317509842.

The spelling of 12379575 in words is "twelve million, three hundred seventy-nine thousand, five hundred seventy-five".