10561870 has 16 divisors (see below), whose sum is σ = 20739888. Its totient is φ = 3840640.

The previous prime is 10561849. The next prime is 10561883. The reversal of 10561870 is 7816501.

It is a happy number.

It is a super-2 number, since 2×10561870² = 223106195793800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47899 + ... + 48118.

It is an arithmetic number, because the mean of its divisors is an integer number (1296243).

Almost surely, 2^10561870 is an apocalyptic number.

10561870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10561870 is a deficient number, since it is larger than the sum of its proper divisors (10178018).

10561870 is a wasteful number, since it uses less digits than its factorization.

10561870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96035.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 10561870 is about 3249.9030754778. The cubic root of 10561870 is about 219.4052115706.

It can be divided in two parts, 1056 and 1870, that added together give a triangular number (2926 = T₇₆).

The spelling of 10561870 in words is "ten million, five hundred sixty-one thousand, eight hundred seventy".