10861247 has 4 divisors (see below), whose sum is σ = 10966800. Its totient is φ = 10755696.

The previous prime is 10861243. The next prime is 10861259. The reversal of 10861247 is 74216801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10861247 - 2² = 10861243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10861243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52622 + ... + 52827.

It is an arithmetic number, because the mean of its divisors is an integer number (2741700).

Almost surely, 2^10861247 is an apocalyptic number.

10861247 is a deficient number, since it is larger than the sum of its proper divisors (105553).

10861247 is a wasteful number, since it uses less digits than its factorization.

10861247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105552.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 10861247 is about 3295.6406054059. The cubic root of 10861247 is about 221.4589467472.

The spelling of 10861247 in words is "ten million, eight hundred sixty-one thousand, two hundred forty-seven".