15104887 has 6 divisors (see below), whose sum is σ = 17571048. Its totient is φ = 12947004.

The previous prime is 15104861. The next prime is 15104897. The reversal of 15104887 is 78840151.

It is a de Polignac number, because none of the positive numbers 2^k-15104887 is a prime.

It is a super-2 number, since 2×15104887² = 456315222565538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15104827) 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 5 ways as a sum of consecutive naturals, for example, 154083 + ... + 154180.

It is an arithmetic number, because the mean of its divisors is an integer number (2928508).

Almost surely, 2^15104887 is an apocalyptic number.

15104887 is a deficient number, since it is larger than the sum of its proper divisors (2466161).

15104887 is an equidigital number, since it uses as much as digits as its factorization.

15104887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308277 (or 308270 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 15104887 is about 3886.5006110896. The cubic root of 15104887 is about 247.1947029775.

The spelling of 15104887 in words is "fifteen million, one hundred four thousand, eight hundred eighty-seven".