15040413 has 24 divisors (see below), whose sum is σ = 22905792. Its totient is φ = 9491328.

The previous prime is 15040391. The next prime is 15040429. The reversal of 15040413 is 31404051.

It is a happy number.

It is not a de Polignac number, because 15040413 - 2⁶ = 15040349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23070 + ... + 23712.

It is an arithmetic number, because the mean of its divisors is an integer number (954408).

Almost surely, 2^15040413 is an apocalyptic number.

It is an amenable number.

15040413 is a deficient number, since it is larger than the sum of its proper divisors (7865379).

15040413 is a wasteful number, since it uses less digits than its factorization.

15040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 15040413 is about 3878.1971326894. The cubic root of 15040413 is about 246.8424911101.

Adding to 15040413 its reverse (31404051), we get a palindrome (46444464).

The spelling of 15040413 in words is "fifteen million, forty thousand, four hundred thirteen".