12542202 has 48 divisors (see below), whose sum is σ = 28540512. Its totient is φ = 4127760.

The previous prime is 12542191. The next prime is 12542227. The reversal of 12542202 is 20224521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63568 + ... + 63764.

It is an arithmetic number, because the mean of its divisors is an integer number (594594).

Almost surely, 2^12542202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12542202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14270256).

12542202 is an abundant number, since it is smaller than the sum of its proper divisors (15998310).

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

12542202 is a wasteful number, since it uses less digits than its factorization.

12542202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12542202 is about 3541.4971410408. The cubic root of 12542202 is about 232.3403274125.

Adding to 12542202 its reverse (20224521), we get a palindrome (32766723).

The spelling of 12542202 in words is "twelve million, five hundred forty-two thousand, two hundred two".