10716621 has 16 divisors (see below), whose sum is σ = 14759808. Its totient is φ = 6912000.

The previous prime is 10716617. The next prime is 10716623. The reversal of 10716621 is 12661701.

10716621 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10716621 - 2² = 10716617 is a prime.

It is a super-2 number, since 2×10716621² = 229691931315282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10716591 and 10716600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10716623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18285 + ... + 18861.

It is an arithmetic number, because the mean of its divisors is an integer number (922488).

Almost surely, 2^10716621 is an apocalyptic number.

It is an amenable number.

10716621 is a deficient number, since it is larger than the sum of its proper divisors (4043187).

10716621 is a wasteful number, since it uses less digits than its factorization.

10716621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 10716621 is about 3273.6250548895. The cubic root of 10716621 is about 220.4715848226.

The spelling of 10716621 in words is "ten million, seven hundred sixteen thousand, six hundred twenty-one".