10621697 has 4 divisors (see below), whose sum is σ = 10632960. Its totient is φ = 10610436.

The previous prime is 10621693. The next prime is 10621727. The reversal of 10621697 is 79612601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79612601 = 107 ⋅744043.

It is a cyclic number.

It is not a de Polignac number, because 10621697 - 2² = 10621693 is a prime.

It is a super-2 number, since 2×10621697² = 225640894319618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10621691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073 + ... + 6150.

It is an arithmetic number, because the mean of its divisors is an integer number (2658240).

Almost surely, 2^10621697 is an apocalyptic number.

It is an amenable number.

10621697 is a deficient number, since it is larger than the sum of its proper divisors (11263).

10621697 is a wasteful number, since it uses less digits than its factorization.

10621697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10621697 is about 3259.0945061474. The cubic root of 10621697 is about 219.8187004964.

The spelling of 10621697 in words is "ten million, six hundred twenty-one thousand, six hundred ninety-seven".