10632991 has 2 divisors, whose sum is σ = 10632992. Its totient is φ = 10632990.

The previous prime is 10632959. The next prime is 10633001. The reversal of 10632991 is 19923601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10632991 - 2⁵ = 10632959 is a prime.

It is a super-2 number, since 2×10632991² = 226120995212162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10632901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5316495 + 5316496.

It is an arithmetic number, because the mean of its divisors is an integer number (5316496).

Almost surely, 2^10632991 is an apocalyptic number.

10632991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10632991 is an equidigital number, since it uses as much as digits as its factorization.

10632991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 10632991 is about 3260.8267356608. The cubic root of 10632991 is about 219.8965836256.

The spelling of 10632991 in words is "ten million, six hundred thirty-two thousand, nine hundred ninety-one".