15006906 has 12 divisors (see below), whose sum is σ = 32515002. Its totient is φ = 5002296.

The previous prime is 15006899. The next prime is 15006907. The reversal of 15006906 is 60960051.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 3207681 = 3435^2 + 1791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15006906.

It is not an unprimeable number, because it can be changed into a prime (15006907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416841 + ... + 416876.

Almost surely, 2^15006906 is an apocalyptic number.

15006906 is an abundant number, since it is smaller than the sum of its proper divisors (17508096).

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

15006906 is a wasteful number, since it uses less digits than its factorization.

15006906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833725 (or 833722 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 15006906 is about 3873.8748043787. The cubic root of 15006906 is about 246.6590497607.

Adding to 15006906 its reverse (60960051), we get a palindrome (75966957).

The spelling of 15006906 in words is "fifteen million, six thousand, nine hundred six".