10621967 has 2 divisors, whose sum is σ = 10621968. Its totient is φ = 10621966.

The previous prime is 10621939. The next prime is 10621973. The reversal of 10621967 is 76912601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10621967 is a prime.

It is a super-2 number, since 2×10621967² = 225652365898178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10621927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310983 + 5310984.

It is an arithmetic number, because the mean of its divisors is an integer number (5310984).

Almost surely, 2^10621967 is an apocalyptic number.

10621967 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621967 is an equidigital number, since it uses as much as digits as its factorization.

10621967 is an odious number, because the sum of its binary digits is odd.

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

The square root of 10621967 is about 3259.1359284326. The cubic root of 10621967 is about 219.8205630534.

The spelling of 10621967 in words is "ten million, six hundred twenty-one thousand, nine hundred sixty-seven".