12534078 has 16 divisors (see below), whose sum is σ = 25493760. Its totient is φ = 4107096.

The previous prime is 12534077. The next prime is 12534089. The reversal of 12534078 is 87043521.

It is a super-2 number, since 2×12534078² = 314206222620168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534077) 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, 17350 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (1593360).

Almost surely, 2^12534078 is an apocalyptic number.

12534078 is an abundant number, since it is smaller than the sum of its proper divisors (12959682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12534078 is a wasteful number, since it uses less digits than its factorization.

12534078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35471.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 12534078 is about 3540.3499826995. The cubic root of 12534078 is about 232.2901517335.

Adding to 12534078 its reverse (87043521), we get a palindrome (99577599).

The spelling of 12534078 in words is "twelve million, five hundred thirty-four thousand, seventy-eight".