10704521 has 4 divisors (see below), whose sum is σ = 10763844. Its totient is φ = 10645200.

The previous prime is 10704511. The next prime is 10704527. The reversal of 10704521 is 12540701.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 8179600 = 1589^2 + 2860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10704521 is a prime.

It is a super-2 number, since 2×10704521² = 229173539678882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10704493 and 10704502.

It is not an unprimeable number, because it can be changed into a prime (10704527) 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 3 ways as a sum of consecutive naturals, for example, 29390 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (2690961).

Almost surely, 2^10704521 is an apocalyptic number.

It is an amenable number.

10704521 is a deficient number, since it is larger than the sum of its proper divisors (59323).

10704521 is an equidigital number, since it uses as much as digits as its factorization.

10704521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59322.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10704521 is about 3271.7764287922. The cubic root of 10704521 is about 220.3885763559.

The spelling of 10704521 in words is "ten million, seven hundred four thousand, five hundred twenty-one".