10995421 has 12 divisors (see below), whose sum is σ = 11688832. Its totient is φ = 10332000.

The previous prime is 10995407. The next prime is 10995431. The reversal of 10995421 is 12459901.

It is a de Polignac number, because none of the positive numbers 2^k-10995421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10995431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52006 + ... + 52216.

Almost surely, 2^10995421 is an apocalyptic number.

It is an amenable number.

10995421 is a deficient number, since it is larger than the sum of its proper divisors (693411).

10995421 is an equidigital number, since it uses as much as digits as its factorization.

10995421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 10995421 is about 3315.9344082777. The cubic root of 10995421 is about 222.3671453654.

The spelling of 10995421 in words is "ten million, nine hundred ninety-five thousand, four hundred twenty-one".