12145263 has 16 divisors (see below), whose sum is σ = 17525760. Its totient is φ = 7437024.

The previous prime is 12145261. The next prime is 12145271. The reversal of 12145263 is 36254121.

It is not a de Polignac number, because 12145263 - 2¹ = 12145261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145261) 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, 8670 + ... + 9972.

It is an arithmetic number, because the mean of its divisors is an integer number (1095360).

Almost surely, 2^12145263 is an apocalyptic number.

12145263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12145263 is a deficient number, since it is larger than the sum of its proper divisors (5380497).

12145263 is a wasteful number, since it uses less digits than its factorization.

12145263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its digits is 1440, while the sum is 24.

The square root of 12145263 is about 3485.0054519326. The cubic root of 12145263 is about 229.8629492272.

Adding to 12145263 its reverse (36254121), we get a palindrome (48399384).

The spelling of 12145263 in words is "twelve million, one hundred forty-five thousand, two hundred sixty-three".