10720913 has 8 divisors (see below), whose sum is σ = 12365760. Its totient is φ = 9104400.

The previous prime is 10720907. The next prime is 10720939. The reversal of 10720913 is 31902701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10720913 - 2¹⁰ = 10719889 is a prime.

It is a super-2 number, since 2×10720913² = 229875951107138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10720943) 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 7 ways as a sum of consecutive naturals, for example, 6263 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (1545720).

Almost surely, 2^10720913 is an apocalyptic number.

It is an amenable number.

10720913 is a deficient number, since it is larger than the sum of its proper divisors (1644847).

10720913 is a wasteful number, since it uses less digits than its factorization.

10720913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 10720913 is about 3274.2805316588. The cubic root of 10720913 is about 220.5010138047.

The spelling of 10720913 in words is "ten million, seven hundred twenty thousand, nine hundred thirteen".