12135673 has 8 divisors (see below), whose sum is σ = 13335840. Its totient is φ = 10951680.

The previous prime is 12135611. The next prime is 12135677. The reversal of 12135673 is 37653121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12135673 - 2²¹ = 10038521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12135677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2440 + ... + 5497.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 2^12135673 is an apocalyptic number.

It is an amenable number.

12135673 is a deficient number, since it is larger than the sum of its proper divisors (1200167).

12135673 is a wasteful number, since it uses less digits than its factorization.

12135673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087.

The product of its digits is 3780, while the sum is 28.

The square root of 12135673 is about 3483.6292856732. The cubic root of 12135673 is about 229.8024327351.

Adding to 12135673 its reverse (37653121), we get a palindrome (49788794).

It can be divided in two parts, 1213 and 5673, that added together give a palindrome (6886).

The spelling of 12135673 in words is "twelve million, one hundred thirty-five thousand, six hundred seventy-three".