12263137 has 6 divisors (see below), whose sum is σ = 13027238. Its totient is φ = 11541504.

The previous prime is 12263129. The next prime is 12263149. The reversal of 12263137 is 73136221.

It can be written as a sum of positive squares in 3 ways, for example, as 5377761 + 6885376 = 2319^2 + 2624^2 .

It is not a de Polignac number, because 12263137 - 2³ = 12263129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12263437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20928 + ... + 21505.

Almost surely, 2^12263137 is an apocalyptic number.

12263137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12263137 is a deficient number, since it is larger than the sum of its proper divisors (764101).

12263137 is an equidigital number, since it uses as much as digits as its factorization.

12263137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42467 (or 42450 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 12263137 is about 3501.8762114044. The cubic root of 12263137 is about 230.6041896553.

Adding to 12263137 its reverse (73136221), we get a palindrome (85399358).

The spelling of 12263137 in words is "twelve million, two hundred sixty-three thousand, one hundred thirty-seven".