12534015 has 64 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 5474304.

The previous prime is 12534001. The next prime is 12534017. The reversal of 12534015 is 51043521.

It is not a de Polignac number, because 12534015 - 2¹⁸ = 12271871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12533982 and 12534000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62886 + ... + 63084.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^12534015 is an apocalyptic number.

12534015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12534015 is a deficient number, since it is larger than the sum of its proper divisors (11657985).

12534015 is a wasteful number, since it uses less digits than its factorization.

12534015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12534015 is about 3540.3410852628. The cubic root of 12534015 is about 232.2897625464.

Adding to 12534015 its reverse (51043521), we get a palindrome (63577536).

The spelling of 12534015 in words is "twelve million, five hundred thirty-four thousand, fifteen".