12135783 has 8 divisors (see below), whose sum is σ = 17652096. Its totient is φ = 7355000.

The previous prime is 12135763. The next prime is 12135803. The reversal of 12135783 is 38753121.

It is an interprime number because it is at equal distance from previous prime (12135763) and next prime (12135803).

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 12135783 - 2¹⁴ = 12119399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12135783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135763) 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, 183843 + ... + 183908.

It is an arithmetic number, because the mean of its divisors is an integer number (2206512).

Almost surely, 2^12135783 is an apocalyptic number.

12135783 is a deficient number, since it is larger than the sum of its proper divisors (5516313).

12135783 is a wasteful number, since it uses less digits than its factorization.

12135783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367765.

The product of its digits is 5040, while the sum is 30.

The square root of 12135783 is about 3483.6450737697. The cubic root of 12135783 is about 229.8031270570.

It can be divided in two parts, 1213 and 5783, that added together give a palindrome (6996).

The spelling of 12135783 in words is "twelve million, one hundred thirty-five thousand, seven hundred eighty-three".