12542634 has 64 divisors (see below), whose sum is σ = 31812480. Its totient is φ = 3628800.

The previous prime is 12542611. The next prime is 12542639. The reversal of 12542634 is 43624521.

12542634 is a `hidden beast` number, since 1 + 25 + 4 + 2 + 634 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12542598 and 12542607.

It is not an unprimeable number, because it can be changed into a prime (12542639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11409 + ... + 12459.

It is an arithmetic number, because the mean of its divisors is an integer number (497070).

Almost surely, 2^12542634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12542634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15906240).

12542634 is an abundant number, since it is smaller than the sum of its proper divisors (19269846).

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

12542634 is a wasteful number, since it uses less digits than its factorization.

12542634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1086 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12542634 is about 3541.5581316703. The cubic root of 12542634 is about 232.3429949363.

The spelling of 12542634 in words is "twelve million, five hundred forty-two thousand, six hundred thirty-four".