15560791 has 16 divisors (see below), whose sum is σ = 17510400. Its totient is φ = 13759200.

The previous prime is 15560777. The next prime is 15560801. The reversal of 15560791 is 19706551.

It is a cyclic number.

It is not a de Polignac number, because 15560791 - 2⁷ = 15560663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15560761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16626 + ... + 17536.

It is an arithmetic number, because the mean of its divisors is an integer number (1094400).

Almost surely, 2^15560791 is an apocalyptic number.

15560791 is a deficient number, since it is larger than the sum of its proper divisors (1949609).

15560791 is a wasteful number, since it uses less digits than its factorization.

15560791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 15560791 is about 3944.7168466190. The cubic root of 15560791 is about 249.6570818436.

Subtracting 15560791 from its reverse (19706551), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 15560791 in words is "fifteen million, five hundred sixty thousand, seven hundred ninety-one".