12534690 has 48 divisors (see below), whose sum is σ = 34998912. Its totient is φ = 2864736.

The previous prime is 12534679. The next prime is 12534703. The reversal of 12534690 is 9643521.

It is a super-2 number, since 2×12534690² = 314236906792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2794 + ... + 5733.

It is an arithmetic number, because the mean of its divisors is an integer number (729144).

Almost surely, 2^12534690 is an apocalyptic number.

12534690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12534690 is an abundant number, since it is smaller than the sum of its proper divisors (22464222).

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

12534690 is a wasteful number, since it uses less digits than its factorization.

12534690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 12534690 is about 3540.4364137773. The cubic root of 12534690 is about 232.2939323402.

The spelling of 12534690 in words is "twelve million, five hundred thirty-four thousand, six hundred ninety".