12145463 has 16 divisors (see below), whose sum is σ = 14183424. Its totient is φ = 10277760.

The previous prime is 12145457. The next prime is 12145477. The reversal of 12145463 is 36454121.

It is a cyclic number.

It is not a de Polignac number, because 12145463 - 2⁴ = 12145447 is a prime.

It is a Duffinian number.

12145463 is a modest number, since divided by 5463 gives 1214 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19706 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (886464).

Almost surely, 2^12145463 is an apocalyptic number.

12145463 is a deficient number, since it is larger than the sum of its proper divisors (2037961).

12145463 is a wasteful number, since it uses less digits than its factorization.

12145463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 2880, while the sum is 26.

The square root of 12145463 is about 3485.0341461742. The cubic root of 12145463 is about 229.8642109630.

Adding to 12145463 its reverse (36454121), we get a palindrome (48599584).

The spelling of 12145463 in words is "twelve million, one hundred forty-five thousand, four hundred sixty-three".