15054813 has 12 divisors (see below), whose sum is σ = 21812700. Its totient is φ = 10005696.

The previous prime is 15054797. The next prime is 15054827. The reversal of 15054813 is 31845051.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 2965284 = 3477^2 + 1722^2 .

It is not a de Polignac number, because 15054813 - 2⁴ = 15054797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15052813) 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 11 ways as a sum of consecutive naturals, for example, 745 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (1817725).

Almost surely, 2^15054813 is an apocalyptic number.

It is an amenable number.

15054813 is a deficient number, since it is larger than the sum of its proper divisors (6757887).

15054813 is a wasteful number, since it uses less digits than its factorization.

15054813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148 (or 5145 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 15054813 is about 3880.0532212845. The cubic root of 15054813 is about 246.9212433376.

Adding to 15054813 its reverse (31845051), we get a palindrome (46899864).

The spelling of 15054813 in words is "fifteen million, fifty-four thousand, eight hundred thirteen".