10987542 has 32 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 3446784.

The previous prime is 10987541. The next prime is 10987553. The reversal of 10987542 is 24578901.

10987542 is a `hidden beast` number, since 109 + 8 + 7 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 10987497 and 10987506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067 + ... + 6902.

It is an arithmetic number, because the mean of its divisors is an integer number (807975).

Almost surely, 2^10987542 is an apocalyptic number.

10987542 is an abundant number, since it is smaller than the sum of its proper divisors (14867658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10987542 is a wasteful number, since it uses less digits than its factorization.

10987542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11997 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 10987542 is about 3314.7461441263. The cubic root of 10987542 is about 222.3140187232.

The spelling of 10987542 in words is "ten million, nine hundred eighty-seven thousand, five hundred forty-two".