15006642 has 24 divisors (see below), whose sum is σ = 34914096. Its totient is φ = 4287528.

The previous prime is 15006617. The next prime is 15006647. The reversal of 15006642 is 24660051.

It is not an unprimeable number, because it can be changed into a prime (15006647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25228 + ... + 25815.

It is an arithmetic number, because the mean of its divisors is an integer number (1454754).

Almost surely, 2^15006642 is an apocalyptic number.

15006642 is an abundant number, since it is smaller than the sum of its proper divisors (19907454).

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

15006642 is a wasteful number, since it uses less digits than its factorization.

15006642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51062 (or 51055 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 15006642 is about 3873.8407298184. The cubic root of 15006642 is about 246.6576033518.

Adding to 15006642 its reverse (24660051), we get a palindrome (39666693).

The spelling of 15006642 in words is "fifteen million, six thousand, six hundred forty-two".