15427013 has 12 divisors (see below), whose sum is σ = 18074700. Its totient is φ = 13128192.

The previous prime is 15426991. The next prime is 15427019. The reversal of 15427013 is 31072451.

It can be written as a sum of positive squares in 2 ways, for example, as 550564 + 14876449 = 742^2 + 3857^2 .

It is not a de Polignac number, because 15427013 - 2¹² = 15422917 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15427013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15427019) 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, 6245 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (1506225).

Almost surely, 2^15427013 is an apocalyptic number.

It is an amenable number.

15427013 is a deficient number, since it is larger than the sum of its proper divisors (2647687).

15427013 is a wasteful number, since it uses less digits than its factorization.

15427013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15427013 is about 3927.7236409911. The cubic root of 15427013 is about 248.9395777113.

Adding to 15427013 its reverse (31072451), we get a palindrome (46499464).

The spelling of 15427013 in words is "fifteen million, four hundred twenty-seven thousand, thirteen".