12534377 has 4 divisors (see below), whose sum is σ = 12693120. Its totient is φ = 12375636.

The previous prime is 12534367. The next prime is 12534421. The reversal of 12534377 is 77343521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77343521 = 827 ⋅93523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12534377 is a prime.

It is a super-2 number, since 2×12534377² = 314221213556258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12534307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79253 + ... + 79410.

It is an arithmetic number, because the mean of its divisors is an integer number (3173280).

Almost surely, 2^12534377 is an apocalyptic number.

It is an amenable number.

12534377 is a deficient number, since it is larger than the sum of its proper divisors (158743).

12534377 is an equidigital number, since it uses as much as digits as its factorization.

12534377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158742.

The product of its digits is 17640, while the sum is 32.

The square root of 12534377 is about 3540.3922099112. The cubic root of 12534377 is about 232.2919988100.

Adding to 12534377 its reverse (77343521), we get a palindrome (89877898).

The spelling of 12534377 in words is "twelve million, five hundred thirty-four thousand, three hundred seventy-seven".