10696421 has 2 divisors, whose sum is σ = 10696422. Its totient is φ = 10696420.

The previous prime is 10696397. The next prime is 10696423. The reversal of 10696421 is 12469601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7365796 + 3330625 = 2714^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 10696421 - 2²² = 6502117 is a prime.

It is a super-2 number, since 2×10696421² = 228826844418482, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10696423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10696423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5348210 + 5348211.

It is an arithmetic number, because the mean of its divisors is an integer number (5348211).

Almost surely, 2^10696421 is an apocalyptic number.

It is an amenable number.

10696421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10696421 is an equidigital number, since it uses as much as digits as its factorization.

10696421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 10696421 is about 3270.5383348923. The cubic root of 10696421 is about 220.3329737457.

The spelling of 10696421 in words is "ten million, six hundred ninety-six thousand, four hundred twenty-one".