10881572 has 18 divisors (see below), whose sum is σ = 20621538. Its totient is φ = 5021952.

The previous prime is 10881569. The next prime is 10881593. The reversal of 10881572 is 27518801.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17956 + 10863616 = 134^2 + 3296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7373 + ... + 8724.

It is an arithmetic number, because the mean of its divisors is an integer number (1145641).

Almost surely, 2^10881572 is an apocalyptic number.

It is an amenable number.

10881572 is a deficient number, since it is larger than the sum of its proper divisors (9739966).

10881572 is a wasteful number, since it uses less digits than its factorization.

10881572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127 (or 16112 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 10881572 is about 3298.7227831390. The cubic root of 10881572 is about 221.5970017449.

The spelling of 10881572 in words is "ten million, eight hundred eighty-one thousand, five hundred seventy-two".