10980047 has 4 divisors (see below), whose sum is σ = 11824680. Its totient is φ = 10135416.

The previous prime is 10980029. The next prime is 10980049. The reversal of 10980047 is 74008901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10980047 is a prime.

It is a super-2 number, since 2×10980047² = 241122864244418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10980049) 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, 422297 + ... + 422322.

It is an arithmetic number, because the mean of its divisors is an integer number (2956170).

Almost surely, 2^10980047 is an apocalyptic number.

10980047 is a deficient number, since it is larger than the sum of its proper divisors (844633).

10980047 is an equidigital number, since it uses as much as digits as its factorization.

10980047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844632.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 10980047 is about 3313.6153971154. The cubic root of 10980047 is about 222.2634577460.

Adding to 10980047 its reverse (74008901), we get a palindrome (84988948).

The spelling of 10980047 in words is "ten million, nine hundred eighty thousand, forty-seven".